13419715

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:327

約数の個数: 24

約数和(自身を含む): 17638992

約数和(自身を除く): 4219277

約数列:

[1, 5, 17, 37, 85, 185, 251, 289, 629, 1255, 1445, 3145, 4267, 9287, 10693, 21335, 46435, 53465, 72539, 157879, 362695, 789395, 2683943, 13419715]

約数ペア:

[(1, 13419715), (5, 2683943), (17, 789395), (37, 362695), (85, 157879), (185, 72539), (251, 53465), (289, 46435), (629, 21335), (1255, 10693), (1445, 9287), (3145, 4267)]