25696816

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{617}}^1$

素因数の和:781

約数の個数: 40

約数和(自身を含む): 52876080

約数和(自身を除く): 27179264

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 137, 152, 274, 304, 548, 617, 1096, 1234, 2192, 2468, 2603, 4936, 5206, 9872, 10412, 11723, 20824, 23446, 41648, 46892, 84529, 93784, 169058, 187568, 338116, 676232, 1352464, 1606051, 3212102, 6424204, 12848408, 25696816]

約数ペア:

[(1, 25696816), (2, 12848408), (4, 6424204), (8, 3212102), (16, 1606051), (19, 1352464), (38, 676232), (76, 338116), (137, 187568), (152, 169058), (274, 93784), (304, 84529), (548, 46892), (617, 41648), (1096, 23446), (1234, 20824), (2192, 11723), (2468, 10412), (2603, 9872), (4936, 5206)]