88891664

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2749}}^1$

素因数の和:2847

約数の個数: 40

約数和(自身を含む): 180048000

約数和(自身を除く): 91156336

約数列:

[1, 2, 4, 8, 16, 43, 47, 86, 94, 172, 188, 344, 376, 688, 752, 2021, 2749, 4042, 5498, 8084, 10996, 16168, 21992, 32336, 43984, 118207, 129203, 236414, 258406, 472828, 516812, 945656, 1033624, 1891312, 2067248, 5555729, 11111458, 22222916, 44445832, 88891664]

約数ペア:

[(1, 88891664), (2, 44445832), (4, 22222916), (8, 11111458), (16, 5555729), (43, 2067248), (47, 1891312), (86, 1033624), (94, 945656), (172, 516812), (188, 472828), (344, 258406), (376, 236414), (688, 129203), (752, 118207), (2021, 43984), (2749, 32336), (4042, 21992), (5498, 16168), (8084, 10996)]