28570945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{659}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 11345855

約数列:

[1, 5, 13, 23, 29, 65, 115, 145, 299, 377, 659, 667, 1495, 1885, 3295, 3335, 8567, 8671, 15157, 19111, 42835, 43355, 75785, 95555, 197041, 248443, 439553, 985205, 1242215, 2197765, 5714189, 28570945]

約数ペア:

[(1, 28570945), (5, 5714189), (13, 2197765), (23, 1242215), (29, 985205), (65, 439553), (115, 248443), (145, 197041), (299, 95555), (377, 75785), (659, 43355), (667, 42835), (1495, 19111), (1885, 15157), (3295, 8671), (3335, 8567)]