13400735

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{397}}^1$

素因数の和:602

約数の個数: 16

約数和(自身を含む): 16601376

約数和(自身を除く): 3200641

約数列:

[1, 5, 43, 157, 215, 397, 785, 1985, 6751, 17071, 33755, 62329, 85355, 311645, 2680147, 13400735]

約数ペア:

[(1, 13400735), (5, 2680147), (43, 311645), (157, 85355), (215, 62329), (397, 33755), (785, 17071), (1985, 6751)]