12221810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{4229}}^1$

素因数の和:4270

約数の個数: 24

約数和(自身を含む): 23374980

約数和(自身を除く): 11153170

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 4229, 8458, 21145, 42290, 71893, 143786, 359465, 718930, 1222181, 2444362, 6110905, 12221810]

約数ペア:

[(1, 12221810), (2, 6110905), (5, 2444362), (10, 1222181), (17, 718930), (34, 359465), (85, 143786), (170, 71893), (289, 42290), (578, 21145), (1445, 8458), (2890, 4229)]