28209938

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{7459}}^1$

素因数の和:7553

約数の個数: 16

約数和(自身を含む): 44401920

約数和(自身を除く): 16191982

約数列:

[1, 2, 31, 61, 62, 122, 1891, 3782, 7459, 14918, 231229, 454999, 462458, 909998, 14104969, 28209938]

約数ペア:

[(1, 28209938), (2, 14104969), (31, 909998), (61, 462458), (62, 454999), (122, 231229), (1891, 14918), (3782, 7459)]