201388369

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71389}}^1$

素因数の和:71440

約数の個数: 16

約数和(自身を含む): 255861760

約数和(自身を除く): 54473391

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 71389, 499723, 928057, 2213059, 6496399, 15491413, 28769767, 201388369]

約数ペア:

[(1, 201388369), (7, 28769767), (13, 15491413), (31, 6496399), (91, 2213059), (217, 928057), (403, 499723), (2821, 71389)]