215538148

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{187751}}^1$

素因数の和:187803

約数の個数: 24

約数和(自身を含む): 441592704

約数和(自身を除く): 226054556

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 187751, 375502, 751004, 1314257, 2628514, 5257028, 7697791, 15395582, 30791164, 53884537, 107769074, 215538148]

約数ペア:

[(1, 215538148), (2, 107769074), (4, 53884537), (7, 30791164), (14, 15395582), (28, 7697791), (41, 5257028), (82, 2628514), (164, 1314257), (287, 751004), (574, 375502), (1148, 187751)]