261431694

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{2767}}^1$

素因数の和:2985

約数の個数: 48

約数和(自身を含む): 589417920

約数和(自身を除く): 327986226

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 181, 261, 362, 522, 543, 1086, 1629, 2767, 3258, 5249, 5534, 8301, 10498, 15747, 16602, 24903, 31494, 47241, 49806, 80243, 94482, 160486, 240729, 481458, 500827, 722187, 1001654, 1444374, 1502481, 3004962, 4507443, 9014886, 14523983, 29047966, 43571949, 87143898, 130715847, 261431694]

約数ペア:

[(1, 261431694), (2, 130715847), (3, 87143898), (6, 43571949), (9, 29047966), (18, 14523983), (29, 9014886), (58, 4507443), (87, 3004962), (174, 1502481), (181, 1444374), (261, 1001654), (362, 722187), (522, 500827), (543, 481458), (1086, 240729), (1629, 160486), (2767, 94482), (3258, 80243), (5249, 49806), (5534, 47241), (8301, 31494), (10498, 24903), (15747, 16602)]