64966885

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{2179}}^1$

素因数の和:2340

約数の個数: 16

約数和(自身を含む): 80049600

約数和(自身を除く): 15082715

約数列:

[1, 5, 67, 89, 335, 445, 2179, 5963, 10895, 29815, 145993, 193931, 729965, 969655, 12993377, 64966885]

約数ペア:

[(1, 64966885), (5, 12993377), (67, 969655), (89, 729965), (335, 193931), (445, 145993), (2179, 29815), (5963, 10895)]