25428568

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{2861}}^1$

素因数の和:2979

約数の個数: 32

約数和(自身を含む): 52546320

約数和(自身を除く): 27117752

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 101, 202, 404, 808, 1111, 2222, 2861, 4444, 5722, 8888, 11444, 22888, 31471, 62942, 125884, 251768, 288961, 577922, 1155844, 2311688, 3178571, 6357142, 12714284, 25428568]

約数ペア:

[(1, 25428568), (2, 12714284), (4, 6357142), (8, 3178571), (11, 2311688), (22, 1155844), (44, 577922), (88, 288961), (101, 251768), (202, 125884), (404, 62942), (808, 31471), (1111, 22888), (2222, 11444), (2861, 8888), (4444, 5722)]