249964904

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1321}}^1$

素因数の和:1474

約数の個数: 64

約数和(自身を含む): 558412800

約数和(自身を除く): 308447896

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 109, 124, 217, 218, 248, 434, 436, 763, 868, 872, 1321, 1526, 1736, 2642, 3052, 3379, 5284, 6104, 6758, 9247, 10568, 13516, 18494, 23653, 27032, 36988, 40951, 47306, 73976, 81902, 94612, 143989, 163804, 189224, 286657, 287978, 327608, 573314, 575956, 1007923, 1146628, 1151912, 2015846, 2293256, 4031692, 4463659, 8063384, 8927318, 17854636, 31245613, 35709272, 62491226, 124982452, 249964904]

約数ペア:

[(1, 249964904), (2, 124982452), (4, 62491226), (7, 35709272), (8, 31245613), (14, 17854636), (28, 8927318), (31, 8063384), (56, 4463659), (62, 4031692), (109, 2293256), (124, 2015846), (217, 1151912), (218, 1146628), (248, 1007923), (434, 575956), (436, 573314), (763, 327608), (868, 287978), (872, 286657), (1321, 189224), (1526, 163804), (1736, 143989), (2642, 94612), (3052, 81902), (3379, 73976), (5284, 47306), (6104, 40951), (6758, 36988), (9247, 27032), (10568, 23653), (13516, 18494)]