126891805

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 164229120

約数和(自身を除く): 37337315

約数列:

[1, 5, 23, 53, 109, 115, 191, 265, 545, 955, 1219, 2507, 4393, 5777, 6095, 10123, 12535, 20819, 21965, 28885, 50615, 104095, 132871, 232829, 478837, 664355, 1103407, 1164145, 2394185, 5517035, 25378361, 126891805]

約数ペア:

[(1, 126891805), (5, 25378361), (23, 5517035), (53, 2394185), (109, 1164145), (115, 1103407), (191, 664355), (265, 478837), (545, 232829), (955, 132871), (1219, 104095), (2507, 50615), (4393, 28885), (5777, 21965), (6095, 20819), (10123, 12535)]