257471136

素因数分解:

$2^5\times 3^7\times {\mathrm{13}}^1\times {\mathrm{283}}^1$

素因数の和:327

約数の個数: 192

約数和(自身を含む): 821600640

約数和(自身を除く): 564129504

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 72, 78, 81, 96, 104, 108, 117, 144, 156, 162, 208, 216, 234, 243, 283, 288, 312, 324, 351, 416, 432, 468, 486, 566, 624, 648, 702, 729, 849, 864, 936, 972, 1053, 1132, 1248, 1296, 1404, 1458, 1698, 1872, 1944, 2106, 2187, 2264, 2547, 2592, 2808, 2916, 3159, 3396, 3679, 3744, 3888, 4212, 4374, 4528, 5094, 5616, 5832, 6318, 6792, 7358, 7641, 7776, 8424, 8748, 9056, 9477, 10188, 11037, 11232, 11664, 12636, 13584, 14716, 15282, 16848, 17496, 18954, 20376, 22074, 22923, 23328, 25272, 27168, 28431, 29432, 30564, 33111, 33696, 34992, 37908, 40752, 44148, 45846, 50544, 56862, 58864, 61128, 66222, 68769, 69984, 75816, 81504, 88296, 91692, 99333, 101088, 113724, 117728, 122256, 132444, 137538, 151632, 176592, 183384, 198666, 206307, 227448, 244512, 264888, 275076, 297999, 303264, 353184, 366768, 397332, 412614, 454896, 529776, 550152, 595998, 618921, 733536, 794664, 825228, 893997, 909792, 1059552, 1100304, 1191996, 1237842, 1589328, 1650456, 1787994, 2200608, 2383992, 2475684, 2681991, 3178656, 3300912, 3575988, 4767984, 4951368, 5363982, 6601824, 7151976, 8045973, 9535968, 9902736, 10727964, 14303952, 16091946, 19805472, 21455928, 28607904, 32183892, 42911856, 64367784, 85823712, 128735568, 257471136]

約数ペア:

[(1, 257471136), (2, 128735568), (3, 85823712), (4, 64367784), (6, 42911856), (8, 32183892), (9, 28607904), (12, 21455928), (13, 19805472), (16, 16091946), (18, 14303952), (24, 10727964), (26, 9902736), (27, 9535968), (32, 8045973), (36, 7151976), (39, 6601824), (48, 5363982), (52, 4951368), (54, 4767984), (72, 3575988), (78, 3300912), (81, 3178656), (96, 2681991), (104, 2475684), (108, 2383992), (117, 2200608), (144, 1787994), (156, 1650456), (162, 1589328), (208, 1237842), (216, 1191996), (234, 1100304), (243, 1059552), (283, 909792), (288, 893997), (312, 825228), (324, 794664), (351, 733536), (416, 618921), (432, 595998), (468, 550152), (486, 529776), (566, 454896), (624, 412614), (648, 397332), (702, 366768), (729, 353184), (849, 303264), (864, 297999), (936, 275076), (972, 264888), (1053, 244512), (1132, 227448), (1248, 206307), (1296, 198666), (1404, 183384), (1458, 176592), (1698, 151632), (1872, 137538), (1944, 132444), (2106, 122256), (2187, 117728), (2264, 113724), (2547, 101088), (2592, 99333), (2808, 91692), (2916, 88296), (3159, 81504), (3396, 75816), (3679, 69984), (3744, 68769), (3888, 66222), (4212, 61128), (4374, 58864), (4528, 56862), (5094, 50544), (5616, 45846), (5832, 44148), (6318, 40752), (6792, 37908), (7358, 34992), (7641, 33696), (7776, 33111), (8424, 30564), (8748, 29432), (9056, 28431), (9477, 27168), (10188, 25272), (11037, 23328), (11232, 22923), (11664, 22074), (12636, 20376), (13584, 18954), (14716, 17496), (15282, 16848)]