636303416

素因数分解:

$2^3\times 7^4\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:402

約数の個数: 80

約数和(自身を含む): 1407334440

約数和(自身を除く): 771031024

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 157, 196, 211, 314, 343, 392, 422, 628, 686, 844, 1099, 1256, 1372, 1477, 1688, 2198, 2401, 2744, 2954, 4396, 4802, 5908, 7693, 8792, 9604, 10339, 11816, 15386, 19208, 20678, 30772, 33127, 41356, 53851, 61544, 66254, 72373, 82712, 107702, 132508, 144746, 215404, 231889, 265016, 289492, 376957, 430808, 463778, 506611, 578984, 753914, 927556, 1013222, 1507828, 1623223, 1855112, 2026444, 3015656, 3246446, 4052888, 6492892, 11362561, 12985784, 22725122, 45450244, 79537927, 90900488, 159075854, 318151708, 636303416]

約数ペア:

[(1, 636303416), (2, 318151708), (4, 159075854), (7, 90900488), (8, 79537927), (14, 45450244), (28, 22725122), (49, 12985784), (56, 11362561), (98, 6492892), (157, 4052888), (196, 3246446), (211, 3015656), (314, 2026444), (343, 1855112), (392, 1623223), (422, 1507828), (628, 1013222), (686, 927556), (844, 753914), (1099, 578984), (1256, 506611), (1372, 463778), (1477, 430808), (1688, 376957), (2198, 289492), (2401, 265016), (2744, 231889), (2954, 215404), (4396, 144746), (4802, 132508), (5908, 107702), (7693, 82712), (8792, 72373), (9604, 66254), (10339, 61544), (11816, 53851), (15386, 41356), (19208, 33127), (20678, 30772)]