628921808

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{239}}^1\times {\mathrm{1009}}^1$

素因数の和:1419

約数の個数: 40

約数和(自身を含む): 1232361600

約数和(自身を除く): 603439792

約数列:

[1, 2, 4, 8, 16, 163, 239, 326, 478, 652, 956, 1009, 1304, 1912, 2018, 2608, 3824, 4036, 8072, 16144, 38957, 77914, 155828, 164467, 241151, 311656, 328934, 482302, 623312, 657868, 964604, 1315736, 1929208, 2631472, 3858416, 39307613, 78615226, 157230452, 314460904, 628921808]

約数ペア:

[(1, 628921808), (2, 314460904), (4, 157230452), (8, 78615226), (16, 39307613), (163, 3858416), (239, 2631472), (326, 1929208), (478, 1315736), (652, 964604), (956, 657868), (1009, 623312), (1304, 482302), (1912, 328934), (2018, 311656), (2608, 241151), (3824, 164467), (4036, 155828), (8072, 77914), (16144, 38957)]