5178355

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{599}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 8064000

約数和(自身を除く): 2885645

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 247, 455, 599, 665, 1235, 1729, 2995, 4193, 7787, 8645, 11381, 20965, 38935, 54509, 56905, 79667, 147953, 272545, 398335, 739765, 1035671, 5178355]

約数ペア:

[(1, 5178355), (5, 1035671), (7, 739765), (13, 398335), (19, 272545), (35, 147953), (65, 79667), (91, 56905), (95, 54509), (133, 38935), (247, 20965), (455, 11381), (599, 8645), (665, 7787), (1235, 4193), (1729, 2995)]