1902987919

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1\times {\mathrm{281}}^1$

素因数の和:631

約数の個数: 32

約数和(自身を含む): 2263219200

約数和(自身を除く): 360231281

約数列:

[1, 7, 43, 149, 151, 281, 301, 1043, 1057, 1967, 6407, 6493, 12083, 22499, 41869, 42431, 44849, 45451, 84581, 157493, 293083, 297017, 967457, 1800367, 1824533, 6322219, 6772199, 12602569, 12771731, 44255533, 271855417, 1902987919]

約数ペア:

[(1, 1902987919), (7, 271855417), (43, 44255533), (149, 12771731), (151, 12602569), (281, 6772199), (301, 6322219), (1043, 1824533), (1057, 1800367), (1967, 967457), (6407, 297017), (6493, 293083), (12083, 157493), (22499, 84581), (41869, 45451), (42431, 44849)]