25018888

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 47880000

約数和(自身を除く): 22861112

約数列:

[1, 2, 4, 8, 139, 149, 151, 278, 298, 302, 556, 596, 604, 1112, 1192, 1208, 20711, 20989, 22499, 41422, 41978, 44998, 82844, 83956, 89996, 165688, 167912, 179992, 3127361, 6254722, 12509444, 25018888]

約数ペア:

[(1, 25018888), (2, 12509444), (4, 6254722), (8, 3127361), (139, 179992), (149, 167912), (151, 165688), (278, 89996), (298, 83956), (302, 82844), (556, 44998), (596, 41978), (604, 41422), (1112, 22499), (1192, 20989), (1208, 20711)]