211314428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{213881}}^1$

素因数の和:213917

約数の個数: 24

約数和(自身を含む): 419208720

約数和(自身を除く): 207894292

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 213881, 427762, 855524, 2780453, 4063739, 5560906, 8127478, 11121812, 16254956, 52828607, 105657214, 211314428]

約数ペア:

[(1, 211314428), (2, 105657214), (4, 52828607), (13, 16254956), (19, 11121812), (26, 8127478), (38, 5560906), (52, 4063739), (76, 2780453), (247, 855524), (494, 427762), (988, 213881)]