260097929

素因数分解:

$7^4\times {\mathrm{13}}^2\times {\mathrm{641}}^1$

素因数の和:695

約数の個数: 30

約数和(自身を含む): 329078286

約数和(自身を除く): 68980357

約数列:

[1, 7, 13, 49, 91, 169, 343, 637, 641, 1183, 2401, 4459, 4487, 8281, 8333, 31213, 31409, 57967, 58331, 108329, 219863, 405769, 408317, 758303, 1539041, 2858219, 5308121, 20007533, 37156847, 260097929]

約数ペア:

[(1, 260097929), (7, 37156847), (13, 20007533), (49, 5308121), (91, 2858219), (169, 1539041), (343, 758303), (637, 408317), (641, 405769), (1183, 219863), (2401, 108329), (4459, 58331), (4487, 57967), (8281, 31409), (8333, 31213)]