78003964

素因数分解:

$2^2\times {\mathrm{137}}^2\times {\mathrm{1039}}^1$

素因数の和:1317

約数の個数: 18

約数和(自身を含む): 137642960

約数和(自身を除く): 59638996

約数列:

[1, 2, 4, 137, 274, 548, 1039, 2078, 4156, 18769, 37538, 75076, 142343, 284686, 569372, 19500991, 39001982, 78003964]

約数ペア:

[(1, 78003964), (2, 39001982), (4, 19500991), (137, 569372), (274, 284686), (548, 142343), (1039, 75076), (2078, 37538), (4156, 18769)]