289453645

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{6389}}^1$

素因数の和:6465

約数の個数: 32

約数和(自身を含む): 405790560

約数和(自身を除く): 116336915

約数列:

[1, 5, 13, 17, 41, 65, 85, 205, 221, 533, 697, 1105, 2665, 3485, 6389, 9061, 31945, 45305, 83057, 108613, 261949, 415285, 543065, 1309745, 1411969, 3405337, 4453133, 7059845, 17026685, 22265665, 57890729, 289453645]

約数ペア:

[(1, 289453645), (5, 57890729), (13, 22265665), (17, 17026685), (41, 7059845), (65, 4453133), (85, 3405337), (205, 1411969), (221, 1309745), (533, 543065), (697, 415285), (1105, 261949), (2665, 108613), (3485, 83057), (6389, 45305), (9061, 31945)]