2005894331

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{311}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 2509678080

約数和(自身を除く): 503783749

約数列:

[1, 7, 23, 49, 59, 97, 161, 311, 413, 679, 1127, 1357, 2177, 2231, 2891, 4753, 5723, 7153, 9499, 15239, 15617, 18349, 30167, 40061, 50071, 66493, 109319, 128443, 131629, 211169, 280427, 350497, 422027, 693841, 899101, 921403, 1478183, 1779853, 2954189, 4856887, 6449821, 12458971, 20679323, 33998209, 40936619, 87212797, 286556333, 2005894331]

約数ペア:

[(1, 2005894331), (7, 286556333), (23, 87212797), (49, 40936619), (59, 33998209), (97, 20679323), (161, 12458971), (311, 6449821), (413, 4856887), (679, 2954189), (1127, 1779853), (1357, 1478183), (2177, 921403), (2231, 899101), (2891, 693841), (4753, 422027), (5723, 350497), (7153, 280427), (9499, 211169), (15239, 131629), (15617, 128443), (18349, 109319), (30167, 66493), (40061, 50071)]