641213254

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{80737}}^1$

素因数の和:80788

約数の個数: 24

約数和(自身を含む): 1107402408

約数和(自身を除く): 466189154

約数列:

[1, 2, 11, 19, 22, 38, 209, 361, 418, 722, 3971, 7942, 80737, 161474, 888107, 1534003, 1776214, 3068006, 16874033, 29146057, 33748066, 58292114, 320606627, 641213254]

約数ペア:

[(1, 641213254), (2, 320606627), (11, 58292114), (19, 33748066), (22, 29146057), (38, 16874033), (209, 3068006), (361, 1776214), (418, 1534003), (722, 888107), (3971, 161474), (7942, 80737)]