39891688

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{121621}}^1$

素因数の和:121668

約数の個数: 16

約数和(自身を含む): 76621860

約数和(自身を除く): 36730172

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 121621, 243242, 486484, 972968, 4986461, 9972922, 19945844, 39891688]

約数ペア:

[(1, 39891688), (2, 19945844), (4, 9972922), (8, 4986461), (41, 972968), (82, 486484), (164, 243242), (328, 121621)]