87640358

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{383}}^1\times {\mathrm{677}}^1$

素因数の和:1088

約数の個数: 24

約数和(自身を含む): 142933248

約数和(自身を除く): 55292890

約数列:

[1, 2, 13, 26, 169, 338, 383, 677, 766, 1354, 4979, 8801, 9958, 17602, 64727, 114413, 129454, 228826, 259291, 518582, 3370783, 6741566, 43820179, 87640358]

約数ペア:

[(1, 87640358), (2, 43820179), (13, 6741566), (26, 3370783), (169, 518582), (338, 259291), (383, 228826), (677, 129454), (766, 114413), (1354, 64727), (4979, 17602), (8801, 9958)]