40625249

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:237

約数の個数: 32

約数和(自身を含む): 51179520

約数和(自身を除く): 10554271

約数列:

[1, 7, 19, 47, 67, 97, 133, 329, 469, 679, 893, 1273, 1843, 3149, 4559, 6251, 6499, 8911, 12901, 22043, 31913, 45493, 59831, 86621, 123481, 305453, 418817, 606347, 864367, 2138171, 5803607, 40625249]

約数ペア:

[(1, 40625249), (7, 5803607), (19, 2138171), (47, 864367), (67, 606347), (97, 418817), (133, 305453), (329, 123481), (469, 86621), (679, 59831), (893, 45493), (1273, 31913), (1843, 22043), (3149, 12901), (4559, 8911), (6251, 6499)]