257607792

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{571}}^1$

素因数の和:839

約数の個数: 120

約数和(自身を含む): 780988208

約数和(自身を除く): 523380416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 241, 312, 468, 482, 571, 624, 723, 936, 964, 1142, 1446, 1713, 1872, 1928, 2169, 2284, 2892, 3133, 3426, 3856, 4338, 4568, 5139, 5784, 6266, 6852, 7423, 8676, 9136, 9399, 10278, 11568, 12532, 13704, 14846, 17352, 18798, 20556, 22269, 25064, 27408, 28197, 29692, 34704, 37596, 41112, 44538, 50128, 56394, 59384, 66807, 75192, 82224, 89076, 112788, 118768, 133614, 137611, 150384, 178152, 225576, 267228, 275222, 356304, 412833, 451152, 534456, 550444, 825666, 1068912, 1100888, 1238499, 1651332, 1788943, 2201776, 2476998, 3302664, 3577886, 4953996, 5366829, 6605328, 7155772, 9907992, 10733658, 14311544, 16100487, 19815984, 21467316, 28623088, 32200974, 42934632, 64401948, 85869264, 128803896, 257607792]

約数ペア:

[(1, 257607792), (2, 128803896), (3, 85869264), (4, 64401948), (6, 42934632), (8, 32200974), (9, 28623088), (12, 21467316), (13, 19815984), (16, 16100487), (18, 14311544), (24, 10733658), (26, 9907992), (36, 7155772), (39, 6605328), (48, 5366829), (52, 4953996), (72, 3577886), (78, 3302664), (104, 2476998), (117, 2201776), (144, 1788943), (156, 1651332), (208, 1238499), (234, 1100888), (241, 1068912), (312, 825666), (468, 550444), (482, 534456), (571, 451152), (624, 412833), (723, 356304), (936, 275222), (964, 267228), (1142, 225576), (1446, 178152), (1713, 150384), (1872, 137611), (1928, 133614), (2169, 118768), (2284, 112788), (2892, 89076), (3133, 82224), (3426, 75192), (3856, 66807), (4338, 59384), (4568, 56394), (5139, 50128), (5784, 44538), (6266, 41112), (6852, 37596), (7423, 34704), (8676, 29692), (9136, 28197), (9399, 27408), (10278, 25064), (11568, 22269), (12532, 20556), (13704, 18798), (14846, 17352)]