647536668

素因数分解:

$2^2\times 3^1\times {\mathrm{131}}^1\times {\mathrm{411919}}^1$

素因数の和:412057

約数の個数: 24

約数和(自身を含む): 1522456320

約数和(自身を除く): 874919652

約数列:

[1, 2, 3, 4, 6, 12, 131, 262, 393, 524, 786, 1572, 411919, 823838, 1235757, 1647676, 2471514, 4943028, 53961389, 107922778, 161884167, 215845556, 323768334, 647536668]

約数ペア:

[(1, 647536668), (2, 323768334), (3, 215845556), (4, 161884167), (6, 107922778), (12, 53961389), (131, 4943028), (262, 2471514), (393, 1647676), (524, 1235757), (786, 823838), (1572, 411919)]