131226998

素因数分解:

$2^1\times 7^3\times {\mathrm{233}}^1\times {\mathrm{821}}^1$

素因数の和:1077

約数の個数: 32

約数和(自身を含む): 230817600

約数和(自身を除く): 99590602

約数列:

[1, 2, 7, 14, 49, 98, 233, 343, 466, 686, 821, 1631, 1642, 3262, 5747, 11417, 11494, 22834, 40229, 79919, 80458, 159838, 191293, 281603, 382586, 563206, 1339051, 2678102, 9373357, 18746714, 65613499, 131226998]

約数ペア:

[(1, 131226998), (2, 65613499), (7, 18746714), (14, 9373357), (49, 2678102), (98, 1339051), (233, 563206), (343, 382586), (466, 281603), (686, 191293), (821, 159838), (1631, 80458), (1642, 79919), (3262, 40229), (5747, 22834), (11417, 11494)]