290471402

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{263}}^1\times {\mathrm{397}}^1$

素因数の和:782

約数の個数: 32

約数和(自身を含む): 476606592

約数和(自身を除く): 186135190

約数列:

[1, 2, 13, 26, 107, 214, 263, 397, 526, 794, 1391, 2782, 3419, 5161, 6838, 10322, 28141, 42479, 56282, 84958, 104411, 208822, 365833, 552227, 731666, 1104454, 1357343, 2714686, 11171977, 22343954, 145235701, 290471402]

約数ペア:

[(1, 290471402), (2, 145235701), (13, 22343954), (26, 11171977), (107, 2714686), (214, 1357343), (263, 1104454), (397, 731666), (526, 552227), (794, 365833), (1391, 208822), (2782, 104411), (3419, 84958), (5161, 56282), (6838, 42479), (10322, 28141)]