64738385

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 83994624

約数和(自身を除く): 19256239

約数列:

[1, 5, 31, 41, 61, 155, 167, 205, 305, 835, 1271, 1891, 2501, 5177, 6355, 6847, 9455, 10187, 12505, 25885, 34235, 50935, 77531, 212257, 315797, 387655, 417667, 1061285, 1578985, 2088335, 12947677, 64738385]

約数ペア:

[(1, 64738385), (5, 12947677), (31, 2088335), (41, 1578985), (61, 1061285), (155, 417667), (167, 387655), (205, 315797), (305, 212257), (835, 77531), (1271, 50935), (1891, 34235), (2501, 25885), (5177, 12505), (6355, 10187), (6847, 9455)]