257853374

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{709}}^1$

素因数の和:884

約数の個数: 32

約数和(自身を含む): 408551040

約数和(自身を除く): 150697666

約数列:

[1, 2, 47, 53, 73, 94, 106, 146, 709, 1418, 2491, 3431, 3869, 4982, 6862, 7738, 33323, 37577, 51757, 66646, 75154, 103514, 181843, 363686, 1766119, 2432579, 2743121, 3532238, 4865158, 5486242, 128926687, 257853374]

約数ペア:

[(1, 257853374), (2, 128926687), (47, 5486242), (53, 4865158), (73, 3532238), (94, 2743121), (106, 2432579), (146, 1766119), (709, 363686), (1418, 181843), (2491, 103514), (3431, 75154), (3869, 66646), (4982, 51757), (6862, 37577), (7738, 33323)]