81656296

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{2749}}^1$

素因数の和:2881

約数の個数: 32

約数和(自身を含む): 158400000

約数和(自身を除く): 76743704

約数列:

[1, 2, 4, 8, 47, 79, 94, 158, 188, 316, 376, 632, 2749, 3713, 5498, 7426, 10996, 14852, 21992, 29704, 129203, 217171, 258406, 434342, 516812, 868684, 1033624, 1737368, 10207037, 20414074, 40828148, 81656296]

約数ペア:

[(1, 81656296), (2, 40828148), (4, 20414074), (8, 10207037), (47, 1737368), (79, 1033624), (94, 868684), (158, 516812), (188, 434342), (316, 258406), (376, 217171), (632, 129203), (2749, 29704), (3713, 21992), (5498, 14852), (7426, 10996)]