128639268

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{67421}}^1$

素因数の和:67484

約数の個数: 36

約数和(自身を含む): 331311708

約数和(自身を除く): 202672440

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 318, 477, 636, 954, 1908, 67421, 134842, 202263, 269684, 404526, 606789, 809052, 1213578, 2427156, 3573313, 7146626, 10719939, 14293252, 21439878, 32159817, 42879756, 64319634, 128639268]

約数ペア:

[(1, 128639268), (2, 64319634), (3, 42879756), (4, 32159817), (6, 21439878), (9, 14293252), (12, 10719939), (18, 7146626), (36, 3573313), (53, 2427156), (106, 1213578), (159, 809052), (212, 606789), (318, 404526), (477, 269684), (636, 202263), (954, 134842), (1908, 67421)]