31879818

素因数分解:

$2^1\times 3^4\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:193

約数の個数: 80

約数和(自身を含む): 75271680

約数和(自身を除く): 43391862

約数列:

[1, 2, 3, 6, 9, 18, 27, 47, 53, 54, 79, 81, 94, 106, 141, 158, 159, 162, 237, 282, 318, 423, 474, 477, 711, 846, 954, 1269, 1422, 1431, 2133, 2491, 2538, 2862, 3713, 3807, 4187, 4266, 4293, 4982, 6399, 7426, 7473, 7614, 8374, 8586, 11139, 12561, 12798, 14946, 22278, 22419, 25122, 33417, 37683, 44838, 66834, 67257, 75366, 100251, 113049, 134514, 196789, 200502, 201771, 226098, 300753, 339147, 393578, 403542, 590367, 601506, 678294, 1180734, 1771101, 3542202, 5313303, 10626606, 15939909, 31879818]

約数ペア:

[(1, 31879818), (2, 15939909), (3, 10626606), (6, 5313303), (9, 3542202), (18, 1771101), (27, 1180734), (47, 678294), (53, 601506), (54, 590367), (79, 403542), (81, 393578), (94, 339147), (106, 300753), (141, 226098), (158, 201771), (159, 200502), (162, 196789), (237, 134514), (282, 113049), (318, 100251), (423, 75366), (474, 67257), (477, 66834), (711, 44838), (846, 37683), (954, 33417), (1269, 25122), (1422, 22419), (1431, 22278), (2133, 14946), (2491, 12798), (2538, 12561), (2862, 11139), (3713, 8586), (3807, 8374), (4187, 7614), (4266, 7473), (4293, 7426), (4982, 6399)]