64922405

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{179}}^1\times {\mathrm{251}}^1$

素因数の和:469

約数の個数: 24

約数和(自身を含む): 83553120

約数和(自身を除く): 18630715

約数列:

[1, 5, 17, 85, 179, 251, 289, 895, 1255, 1445, 3043, 4267, 15215, 21335, 44929, 51731, 72539, 224645, 258655, 362695, 763793, 3818965, 12984481, 64922405]

約数ペア:

[(1, 64922405), (5, 12984481), (17, 3818965), (85, 763793), (179, 362695), (251, 258655), (289, 224645), (895, 72539), (1255, 51731), (1445, 44929), (3043, 21335), (4267, 15215)]