31870198945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1696577}}^1$

素因数の和:1696629

約数の個数: 24

約数和(自身を含む): 43751353464

約数和(自身を除く): 11881154519

約数列:

[1, 5, 13, 17, 65, 85, 221, 289, 1105, 1445, 3757, 18785, 1696577, 8482885, 22055501, 28841809, 110277505, 144209045, 374943517, 490310753, 1874717585, 2451553765, 6374039789, 31870198945]

約数ペア:

[(1, 31870198945), (5, 6374039789), (13, 2451553765), (17, 1874717585), (65, 490310753), (85, 374943517), (221, 144209045), (289, 110277505), (1105, 28841809), (1445, 22055501), (3757, 8482885), (18785, 1696577)]