688682

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:217

約数の個数: 16

約数和(自身を含む): 1078920

約数和(自身を除く): 390238

約数列:

[1, 2, 53, 73, 89, 106, 146, 178, 3869, 4717, 6497, 7738, 9434, 12994, 344341, 688682]

約数ペア:

[(1, 688682), (2, 344341), (53, 12994), (73, 9434), (89, 7738), (106, 6497), (146, 4717), (178, 3869)]