81548225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{12893}}^1$

素因数の和:12937

約数の個数: 24

約数和(自身を含む): 115117632

約数和(自身を除く): 33569407

約数列:

[1, 5, 11, 23, 25, 55, 115, 253, 275, 575, 1265, 6325, 12893, 64465, 141823, 296539, 322325, 709115, 1482695, 3261929, 3545575, 7413475, 16309645, 81548225]

約数ペア:

[(1, 81548225), (5, 16309645), (11, 7413475), (23, 3545575), (25, 3261929), (55, 1482695), (115, 709115), (253, 322325), (275, 296539), (575, 141823), (1265, 64465), (6325, 12893)]