256168128

素因数分解:

$2^6\times 3^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{223}}^1$

素因数の和:462

約数の個数: 112

約数和(自身を含む): 706420736

約数和(自身を除く): 450252608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 186, 192, 193, 223, 248, 372, 386, 446, 496, 579, 669, 744, 772, 892, 992, 1158, 1338, 1488, 1544, 1784, 1984, 2316, 2676, 2976, 3088, 3568, 4632, 5352, 5952, 5983, 6176, 6913, 7136, 9264, 10704, 11966, 12352, 13826, 14272, 17949, 18528, 20739, 21408, 23932, 27652, 35898, 37056, 41478, 42816, 43039, 47864, 55304, 71796, 82956, 86078, 95728, 110608, 129117, 143592, 165912, 172156, 191456, 221216, 258234, 287184, 331824, 344312, 382912, 442432, 516468, 574368, 663648, 688624, 1032936, 1148736, 1327296, 1334209, 1377248, 2065872, 2668418, 2754496, 4002627, 4131744, 5336836, 8005254, 8263488, 10673672, 16010508, 21347344, 32021016, 42694688, 64042032, 85389376, 128084064, 256168128]

約数ペア:

[(1, 256168128), (2, 128084064), (3, 85389376), (4, 64042032), (6, 42694688), (8, 32021016), (12, 21347344), (16, 16010508), (24, 10673672), (31, 8263488), (32, 8005254), (48, 5336836), (62, 4131744), (64, 4002627), (93, 2754496), (96, 2668418), (124, 2065872), (186, 1377248), (192, 1334209), (193, 1327296), (223, 1148736), (248, 1032936), (372, 688624), (386, 663648), (446, 574368), (496, 516468), (579, 442432), (669, 382912), (744, 344312), (772, 331824), (892, 287184), (992, 258234), (1158, 221216), (1338, 191456), (1488, 172156), (1544, 165912), (1784, 143592), (1984, 129117), (2316, 110608), (2676, 95728), (2976, 86078), (3088, 82956), (3568, 71796), (4632, 55304), (5352, 47864), (5952, 43039), (5983, 42816), (6176, 41478), (6913, 37056), (7136, 35898), (9264, 27652), (10704, 23932), (11966, 21408), (12352, 20739), (13826, 18528), (14272, 17949)]