258992045

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{953}}^1$

素因数の和:1121

約数の個数: 32

約数和(自身を含む): 347149152

約数和(自身を除く): 88157107

約数列:

[1, 5, 13, 37, 65, 113, 185, 481, 565, 953, 1469, 2405, 4181, 4765, 7345, 12389, 20905, 35261, 54353, 61945, 107689, 176305, 271765, 458393, 538445, 1399957, 2291965, 3984493, 6999785, 19922465, 51798409, 258992045]

約数ペア:

[(1, 258992045), (5, 51798409), (13, 19922465), (37, 6999785), (65, 3984493), (113, 2291965), (185, 1399957), (481, 538445), (565, 458393), (953, 271765), (1469, 176305), (2405, 107689), (4181, 61945), (4765, 54353), (7345, 35261), (12389, 20905)]