251121564

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{769}}^1$

素因数の和:1019

約数の個数: 72

約数和(自身を含む): 652491840

約数和(自身を除く): 401370276

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 193, 282, 386, 423, 564, 579, 769, 772, 846, 1158, 1538, 1692, 1737, 2307, 2316, 3076, 3474, 4614, 6921, 6948, 9071, 9228, 13842, 18142, 27213, 27684, 36143, 36284, 54426, 72286, 81639, 108429, 108852, 144572, 148417, 163278, 216858, 296834, 325287, 326556, 433716, 445251, 593668, 650574, 890502, 1301148, 1335753, 1781004, 2671506, 5343012, 6975599, 13951198, 20926797, 27902396, 41853594, 62780391, 83707188, 125560782, 251121564]

約数ペア:

[(1, 251121564), (2, 125560782), (3, 83707188), (4, 62780391), (6, 41853594), (9, 27902396), (12, 20926797), (18, 13951198), (36, 6975599), (47, 5343012), (94, 2671506), (141, 1781004), (188, 1335753), (193, 1301148), (282, 890502), (386, 650574), (423, 593668), (564, 445251), (579, 433716), (769, 326556), (772, 325287), (846, 296834), (1158, 216858), (1538, 163278), (1692, 148417), (1737, 144572), (2307, 108852), (2316, 108429), (3076, 81639), (3474, 72286), (4614, 54426), (6921, 36284), (6948, 36143), (9071, 27684), (9228, 27213), (13842, 18142)]