647575616

素因数分解:

$2^6\times {\mathrm{31}}^2\times {\mathrm{10529}}^1$

素因数の和:10603

約数の個数: 42

約数和(自身を含む): 1327948830

約数和(自身を除く): 680373214

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 961, 992, 1922, 1984, 3844, 7688, 10529, 15376, 21058, 30752, 42116, 61504, 84232, 168464, 326399, 336928, 652798, 673856, 1305596, 2611192, 5222384, 10118369, 10444768, 20236738, 20889536, 40473476, 80946952, 161893904, 323787808, 647575616]

約数ペア:

[(1, 647575616), (2, 323787808), (4, 161893904), (8, 80946952), (16, 40473476), (31, 20889536), (32, 20236738), (62, 10444768), (64, 10118369), (124, 5222384), (248, 2611192), (496, 1305596), (961, 673856), (992, 652798), (1922, 336928), (1984, 326399), (3844, 168464), (7688, 84232), (10529, 61504), (15376, 42116), (21058, 30752)]