171592590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{439981}}^1$

素因数の和:440004

約数の個数: 32

約数和(自身を含む): 443501856

約数和(自身を除く): 271909266

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 439981, 879962, 1319943, 2199905, 2639886, 4399810, 5719753, 6599715, 11439506, 13199430, 17159259, 28598765, 34318518, 57197530, 85796295, 171592590]

約数ペア:

[(1, 171592590), (2, 85796295), (3, 57197530), (5, 34318518), (6, 28598765), (10, 17159259), (13, 13199430), (15, 11439506), (26, 6599715), (30, 5719753), (39, 4399810), (65, 2639886), (78, 2199905), (130, 1319943), (195, 879962), (390, 439981)]