68871985

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4091}}^1$

素因数の和:4153

約数の個数: 32

約数和(自身を含む): 104493312

約数和(自身を除く): 35621327

約数列:

[1, 5, 7, 13, 35, 37, 65, 91, 185, 259, 455, 481, 1295, 2405, 3367, 4091, 16835, 20455, 28637, 53183, 143185, 151367, 265915, 372281, 756835, 1059569, 1861405, 1967771, 5297845, 9838855, 13774397, 68871985]

約数ペア:

[(1, 68871985), (5, 13774397), (7, 9838855), (13, 5297845), (35, 1967771), (37, 1861405), (65, 1059569), (91, 756835), (185, 372281), (259, 265915), (455, 151367), (481, 143185), (1295, 53183), (2405, 28637), (3367, 20455), (4091, 16835)]