16948405

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{317}}^1$

素因数の和:393

約数の個数: 24

約数和(自身を含む): 22258728

約数和(自身を除く): 5310323

約数列:

[1, 5, 17, 37, 85, 185, 289, 317, 629, 1445, 1585, 3145, 5389, 10693, 11729, 26945, 53465, 58645, 91613, 199393, 458065, 996965, 3389681, 16948405]

約数ペア:

[(1, 16948405), (5, 3389681), (17, 996965), (37, 458065), (85, 199393), (185, 91613), (289, 58645), (317, 53465), (629, 26945), (1445, 11729), (1585, 10693), (3145, 5389)]