259860074

素因数分解:

$2^1\times {\mathrm{19}}^4\times {\mathrm{997}}^1$

素因数の和:1075

約数の個数: 20

約数和(自身を含む): 411857634

約数和(自身を除く): 151997560

約数列:

[1, 2, 19, 38, 361, 722, 997, 1994, 6859, 13718, 18943, 37886, 130321, 260642, 359917, 719834, 6838423, 13676846, 129930037, 259860074]

約数ペア:

[(1, 259860074), (2, 129930037), (19, 13676846), (38, 6838423), (361, 719834), (722, 359917), (997, 260642), (1994, 130321), (6859, 37886), (13718, 18943)]