64889864

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{32839}}^1$

素因数の和:32877

約数の個数: 32

約数和(自身を含む): 137928000

約数和(自身を除く): 73038136

約数列:

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

約数ペア:

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