281284452

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{821}}^1$

素因数の和:1169

約数の個数: 72

約数和(自身を含む): 737248512

約数和(自身を除く): 455964060

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 307, 372, 558, 614, 821, 921, 1116, 1228, 1642, 1842, 2463, 2763, 3284, 3684, 4926, 5526, 7389, 9517, 9852, 11052, 14778, 19034, 25451, 28551, 29556, 38068, 50902, 57102, 76353, 85653, 101804, 114204, 152706, 171306, 229059, 252047, 305412, 342612, 458118, 504094, 756141, 916236, 1008188, 1512282, 2268423, 3024564, 4536846, 7813457, 9073692, 15626914, 23440371, 31253828, 46880742, 70321113, 93761484, 140642226, 281284452]

約数ペア:

[(1, 281284452), (2, 140642226), (3, 93761484), (4, 70321113), (6, 46880742), (9, 31253828), (12, 23440371), (18, 15626914), (31, 9073692), (36, 7813457), (62, 4536846), (93, 3024564), (124, 2268423), (186, 1512282), (279, 1008188), (307, 916236), (372, 756141), (558, 504094), (614, 458118), (821, 342612), (921, 305412), (1116, 252047), (1228, 229059), (1642, 171306), (1842, 152706), (2463, 114204), (2763, 101804), (3284, 85653), (3684, 76353), (4926, 57102), (5526, 50902), (7389, 38068), (9517, 29556), (9852, 28551), (11052, 25451), (14778, 19034)]