68872648

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{607}}^1\times {\mathrm{1091}}^1$

素因数の和:1717

約数の個数: 32

約数和(自身を含む): 139426560

約数和(自身を除く): 70553912

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 607, 1091, 1214, 2182, 2428, 4364, 4856, 7891, 8728, 14183, 15782, 28366, 31564, 56732, 63128, 113464, 662237, 1324474, 2648948, 5297896, 8609081, 17218162, 34436324, 68872648]

約数ペア:

[(1, 68872648), (2, 34436324), (4, 17218162), (8, 8609081), (13, 5297896), (26, 2648948), (52, 1324474), (104, 662237), (607, 113464), (1091, 63128), (1214, 56732), (2182, 31564), (2428, 28366), (4364, 15782), (4856, 14183), (7891, 8728)]