2640146

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{439}}^1$

素因数の和:569

約数の個数: 16

約数和(自身を含む): 4139520

約数和(自身を除く): 1499374

約数列:

[1, 2, 31, 62, 97, 194, 439, 878, 3007, 6014, 13609, 27218, 42583, 85166, 1320073, 2640146]

約数ペア:

[(1, 2640146), (2, 1320073), (31, 85166), (62, 42583), (97, 27218), (194, 13609), (439, 6014), (878, 3007)]