208003648

素因数分解:

$2^6\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:459

約数の個数: 56

約数和(自身を含む): 421225472

約数和(自身を除く): 213221824

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 157, 163, 254, 314, 326, 508, 628, 652, 1016, 1256, 1304, 2032, 2512, 2608, 4064, 5024, 5216, 8128, 10048, 10432, 19939, 20701, 25591, 39878, 41402, 51182, 79756, 82804, 102364, 159512, 165608, 204728, 319024, 331216, 409456, 638048, 662432, 818912, 1276096, 1324864, 1637824, 3250057, 6500114, 13000228, 26000456, 52000912, 104001824, 208003648]

約数ペア:

[(1, 208003648), (2, 104001824), (4, 52000912), (8, 26000456), (16, 13000228), (32, 6500114), (64, 3250057), (127, 1637824), (157, 1324864), (163, 1276096), (254, 818912), (314, 662432), (326, 638048), (508, 409456), (628, 331216), (652, 319024), (1016, 204728), (1256, 165608), (1304, 159512), (2032, 102364), (2512, 82804), (2608, 79756), (4064, 51182), (5024, 41402), (5216, 39878), (8128, 25591), (10048, 20701), (10432, 19939)]