248980479

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1\times {\mathrm{701}}^1$

素因数の和:991

約数の個数: 32

約数和(自身を含む): 372003840

約数和(自身を除く): 123023361

約数列:

[1, 3, 11, 33, 47, 141, 229, 517, 687, 701, 1551, 2103, 2519, 7557, 7711, 10763, 23133, 32289, 32947, 98841, 118393, 160529, 355179, 362417, 481587, 1087251, 1765819, 5297457, 7544863, 22634589, 82993493, 248980479]

約数ペア:

[(1, 248980479), (3, 82993493), (11, 22634589), (33, 7544863), (47, 5297457), (141, 1765819), (229, 1087251), (517, 481587), (687, 362417), (701, 355179), (1551, 160529), (2103, 118393), (2519, 98841), (7557, 32947), (7711, 32289), (10763, 23133)]