129907856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20147}}^1$

素因数の和:20199

約数の個数: 40

約数和(自身を含む): 279815424

約数和(自身を除く): 149907568

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 20147, 40294, 80588, 161176, 261911, 322352, 523822, 624557, 1047644, 1249114, 2095288, 2498228, 4190576, 4996456, 8119241, 9992912, 16238482, 32476964, 64953928, 129907856]

約数ペア:

[(1, 129907856), (2, 64953928), (4, 32476964), (8, 16238482), (13, 9992912), (16, 8119241), (26, 4996456), (31, 4190576), (52, 2498228), (62, 2095288), (104, 1249114), (124, 1047644), (208, 624557), (248, 523822), (403, 322352), (496, 261911), (806, 161176), (1612, 80588), (3224, 40294), (6448, 20147)]