81346925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1151}}^1$

素因数の和:1429

約数の個数: 24

約数和(自身を含む): 110564352

約数和(自身を除く): 29217427

約数列:

[1, 5, 11, 25, 55, 257, 275, 1151, 1285, 2827, 5755, 6425, 12661, 14135, 28775, 63305, 70675, 295807, 316525, 1479035, 3253877, 7395175, 16269385, 81346925]

約数ペア:

[(1, 81346925), (5, 16269385), (11, 7395175), (25, 3253877), (55, 1479035), (257, 316525), (275, 295807), (1151, 70675), (1285, 63305), (2827, 28775), (5755, 14135), (6425, 12661)]