201721252

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{156131}}^1$

素因数の和:156171

約数の個数: 24

約数和(自身を含む): 393452640

約数和(自身を除く): 191731388

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 156131, 312262, 624524, 2654227, 2966489, 5308454, 5932978, 10616908, 11865956, 50430313, 100860626, 201721252]

約数ペア:

[(1, 201721252), (2, 100860626), (4, 50430313), (17, 11865956), (19, 10616908), (34, 5932978), (38, 5308454), (68, 2966489), (76, 2654227), (323, 624524), (646, 312262), (1292, 156131)]