261918566

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{3571}}^1$

素因数の和:3637

約数の個数: 48

約数和(自身を含む): 502023168

約数和(自身を除く): 240104602

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 169, 182, 217, 338, 403, 434, 806, 1183, 2366, 2821, 3571, 5239, 5642, 7142, 10478, 24997, 36673, 46423, 49994, 73346, 92846, 110701, 221402, 324961, 603499, 649922, 774907, 1206998, 1439113, 1549814, 2878226, 4224493, 8448986, 10073791, 18708469, 20147582, 37416938, 130959283, 261918566]

約数ペア:

[(1, 261918566), (2, 130959283), (7, 37416938), (13, 20147582), (14, 18708469), (26, 10073791), (31, 8448986), (62, 4224493), (91, 2878226), (169, 1549814), (182, 1439113), (217, 1206998), (338, 774907), (403, 649922), (434, 603499), (806, 324961), (1183, 221402), (2366, 110701), (2821, 92846), (3571, 73346), (5239, 49994), (5642, 46423), (7142, 36673), (10478, 24997)]