215174765

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1\times {\mathrm{307}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 286868736

約数和(自身を除く): 71693971

約数列:

[1, 5, 13, 41, 65, 205, 263, 307, 533, 1315, 1535, 2665, 3419, 3991, 10783, 12587, 17095, 19955, 53915, 62935, 80741, 140179, 163631, 403705, 700895, 818155, 1049633, 3310381, 5248165, 16551905, 43034953, 215174765]

約数ペア:

[(1, 215174765), (5, 43034953), (13, 16551905), (41, 5248165), (65, 3310381), (205, 1049633), (263, 818155), (307, 700895), (533, 403705), (1315, 163631), (1535, 140179), (2665, 80741), (3419, 62935), (3991, 53915), (10783, 19955), (12587, 17095)]