31638798

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{997}}^1$

素因数の和:1089

約数の個数: 48

約数和(自身を含む): 71927856

約数和(自身を除く): 40289058

約数列:

[1, 2, 3, 6, 9, 18, 41, 43, 82, 86, 123, 129, 246, 258, 369, 387, 738, 774, 997, 1763, 1994, 2991, 3526, 5289, 5982, 8973, 10578, 15867, 17946, 31734, 40877, 42871, 81754, 85742, 122631, 128613, 245262, 257226, 367893, 385839, 735786, 771678, 1757711, 3515422, 5273133, 10546266, 15819399, 31638798]

約数ペア:

[(1, 31638798), (2, 15819399), (3, 10546266), (6, 5273133), (9, 3515422), (18, 1757711), (41, 771678), (43, 735786), (82, 385839), (86, 367893), (123, 257226), (129, 245262), (246, 128613), (258, 122631), (369, 85742), (387, 81754), (738, 42871), (774, 40877), (997, 31734), (1763, 17946), (1994, 15867), (2991, 10578), (3526, 8973), (5289, 5982)]