129779728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{32839}}^1$

素因数の和:32879

約数の個数: 40

約数和(自身を含む): 285051200

約数和(自身を除く): 155271472

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 32839, 65678, 131356, 262712, 426907, 525424, 623941, 853814, 1247882, 1707628, 2495764, 3415256, 4991528, 6830512, 8111233, 9983056, 16222466, 32444932, 64889864, 129779728]

約数ペア:

[(1, 129779728), (2, 64889864), (4, 32444932), (8, 16222466), (13, 9983056), (16, 8111233), (19, 6830512), (26, 4991528), (38, 3415256), (52, 2495764), (76, 1707628), (104, 1247882), (152, 853814), (208, 623941), (247, 525424), (304, 426907), (494, 262712), (988, 131356), (1976, 65678), (3952, 32839)]