491888644

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{12143}}^1$

素因数の和:12220

約数の個数: 48

約数和(自身を含む): 999694080

約数和(自身を除く): 507805436

約数列:

[1, 2, 4, 13, 19, 26, 38, 41, 52, 76, 82, 164, 247, 494, 533, 779, 988, 1066, 1558, 2132, 3116, 10127, 12143, 20254, 24286, 40508, 48572, 157859, 230717, 315718, 461434, 497863, 631436, 922868, 995726, 1991452, 2999321, 5998642, 6472219, 9459397, 11997284, 12944438, 18918794, 25888876, 37837588, 122972161, 245944322, 491888644]

約数ペア:

[(1, 491888644), (2, 245944322), (4, 122972161), (13, 37837588), (19, 25888876), (26, 18918794), (38, 12944438), (41, 11997284), (52, 9459397), (76, 6472219), (82, 5998642), (164, 2999321), (247, 1991452), (494, 995726), (533, 922868), (779, 631436), (988, 497863), (1066, 461434), (1558, 315718), (2132, 230717), (3116, 157859), (10127, 48572), (12143, 40508), (20254, 24286)]