256484638

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{1373}}^1$

素因数の和:1560

約数の個数: 32

約数和(自身を含む): 417871872

約数和(自身を除く): 161387234

約数列:

[1, 2, 23, 31, 46, 62, 131, 262, 713, 1373, 1426, 2746, 3013, 4061, 6026, 8122, 31579, 42563, 63158, 85126, 93403, 179863, 186806, 359726, 978949, 1957898, 4136849, 5575753, 8273698, 11151506, 128242319, 256484638]

約数ペア:

[(1, 256484638), (2, 128242319), (23, 11151506), (31, 8273698), (46, 5575753), (62, 4136849), (131, 1957898), (262, 978949), (713, 359726), (1373, 186806), (1426, 179863), (2746, 93403), (3013, 85126), (4061, 63158), (6026, 42563), (8122, 31579)]