157657890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{404251}}^1$

素因数の和:404274

約数の個数: 32

約数和(自身を含む): 407486016

約数和(自身を除く): 249828126

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 404251, 808502, 1212753, 2021255, 2425506, 4042510, 5255263, 6063765, 10510526, 12127530, 15765789, 26276315, 31531578, 52552630, 78828945, 157657890]

約数ペア:

[(1, 157657890), (2, 78828945), (3, 52552630), (5, 31531578), (6, 26276315), (10, 15765789), (13, 12127530), (15, 10510526), (26, 6063765), (30, 5255263), (39, 4042510), (65, 2425506), (78, 2021255), (130, 1212753), (195, 808502), (390, 404251)]