678702968

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{4990463}}^1$

素因数の和:4990486

約数の個数: 16

約数和(自身を含む): 1347425280

約数和(自身を除く): 668722312

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 4990463, 9980926, 19961852, 39923704, 84837871, 169675742, 339351484, 678702968]

約数ペア:

[(1, 678702968), (2, 339351484), (4, 169675742), (8, 84837871), (17, 39923704), (34, 19961852), (68, 9980926), (136, 4990463)]