131490457072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{632165659}}^1$

素因数の和:632165680

約数の個数: 20

約数和(自身を含む): 274359896440

約数和(自身を除く): 142869439368

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 632165659, 1264331318, 2528662636, 5057325272, 8218153567, 10114650544, 16436307134, 32872614268, 65745228536, 131490457072]

約数ペア:

[(1, 131490457072), (2, 65745228536), (4, 32872614268), (8, 16436307134), (13, 10114650544), (16, 8218153567), (26, 5057325272), (52, 2528662636), (104, 1264331318), (208, 632165659)]