256891715

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{77029}}^1$

素因数の和:77086

約数の個数: 16

約数和(自身を含む): 332769600

約数和(自身を除く): 75877885

約数列:

[1, 5, 23, 29, 115, 145, 667, 3335, 77029, 385145, 1771667, 2233841, 8858335, 11169205, 51378343, 256891715]

約数ペア:

[(1, 256891715), (5, 51378343), (23, 11169205), (29, 8858335), (115, 2233841), (145, 1771667), (667, 385145), (3335, 77029)]