257494432

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:582

約数の個数: 96

約数和(自身を含む): 578479104

約数和(自身を除く): 320984672

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 41, 52, 62, 82, 104, 124, 164, 208, 248, 328, 403, 416, 487, 496, 533, 656, 806, 974, 992, 1066, 1271, 1312, 1612, 1948, 2132, 2542, 3224, 3896, 4264, 5084, 6331, 6448, 7792, 8528, 10168, 12662, 12896, 15097, 15584, 16523, 17056, 19967, 20336, 25324, 30194, 33046, 39934, 40672, 50648, 60388, 66092, 79868, 101296, 120776, 132184, 159736, 196261, 202592, 241552, 259571, 264368, 319472, 392522, 483104, 519142, 528736, 618977, 638944, 785044, 1038284, 1237954, 1570088, 2076568, 2475908, 3140176, 4153136, 4951816, 6280352, 8046701, 8306272, 9903632, 16093402, 19807264, 32186804, 64373608, 128747216, 257494432]

約数ペア:

[(1, 257494432), (2, 128747216), (4, 64373608), (8, 32186804), (13, 19807264), (16, 16093402), (26, 9903632), (31, 8306272), (32, 8046701), (41, 6280352), (52, 4951816), (62, 4153136), (82, 3140176), (104, 2475908), (124, 2076568), (164, 1570088), (208, 1237954), (248, 1038284), (328, 785044), (403, 638944), (416, 618977), (487, 528736), (496, 519142), (533, 483104), (656, 392522), (806, 319472), (974, 264368), (992, 259571), (1066, 241552), (1271, 202592), (1312, 196261), (1612, 159736), (1948, 132184), (2132, 120776), (2542, 101296), (3224, 79868), (3896, 66092), (4264, 60388), (5084, 50648), (6331, 40672), (6448, 39934), (7792, 33046), (8528, 30194), (10168, 25324), (12662, 20336), (12896, 19967), (15097, 17056), (15584, 16523)]