257021504

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{10271}}^1$

素因数の和:10323

約数の個数: 56

約数和(自身を含む): 563563008

約数和(自身を除く): 306541504

約数列:

[1, 2, 4, 8, 16, 17, 23, 32, 34, 46, 64, 68, 92, 136, 184, 272, 368, 391, 544, 736, 782, 1088, 1472, 1564, 3128, 6256, 10271, 12512, 20542, 25024, 41084, 82168, 164336, 174607, 236233, 328672, 349214, 472466, 657344, 698428, 944932, 1396856, 1889864, 2793712, 3779728, 4015961, 5587424, 7559456, 8031922, 11174848, 15118912, 16063844, 32127688, 64255376, 128510752, 257021504]

約数ペア:

[(1, 257021504), (2, 128510752), (4, 64255376), (8, 32127688), (16, 16063844), (17, 15118912), (23, 11174848), (32, 8031922), (34, 7559456), (46, 5587424), (64, 4015961), (68, 3779728), (92, 2793712), (136, 1889864), (184, 1396856), (272, 944932), (368, 698428), (391, 657344), (544, 472466), (736, 349214), (782, 328672), (1088, 236233), (1472, 174607), (1564, 164336), (3128, 82168), (6256, 41084), (10271, 25024), (12512, 20542)]