221486408

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{193607}}^1$

素因数の和:193637

約数の個数: 32

約数和(自身を含む): 487892160

約数和(自身を除く): 266405752

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 193607, 387214, 774428, 1548856, 2129677, 2516891, 4259354, 5033782, 8518708, 10067564, 17037416, 20135128, 27685801, 55371602, 110743204, 221486408]

約数ペア:

[(1, 221486408), (2, 110743204), (4, 55371602), (8, 27685801), (11, 20135128), (13, 17037416), (22, 10067564), (26, 8518708), (44, 5033782), (52, 4259354), (88, 2516891), (104, 2129677), (143, 1548856), (286, 774428), (572, 387214), (1144, 193607)]