251241770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{6977}}^1$

素因数の和:7274

約数の個数: 32

約数和(自身を含む): 488850768

約数和(自身を除く): 237608998

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 277, 554, 1385, 2770, 3601, 6977, 7202, 13954, 18005, 34885, 36010, 69770, 90701, 181402, 453505, 907010, 1932629, 3865258, 9663145, 19326290, 25124177, 50248354, 125620885, 251241770]

約数ペア:

[(1, 251241770), (2, 125620885), (5, 50248354), (10, 25124177), (13, 19326290), (26, 9663145), (65, 3865258), (130, 1932629), (277, 907010), (554, 453505), (1385, 181402), (2770, 90701), (3601, 69770), (6977, 36010), (7202, 34885), (13954, 18005)]