1639541668

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{120661}}^1$

素因数の和:120787

約数の個数: 24

約数和(自身を含む): 2973111680

約数和(自身を除く): 1333570012

約数列:

[1, 2, 4, 43, 79, 86, 158, 172, 316, 3397, 6794, 13588, 120661, 241322, 482644, 5188423, 9532219, 10376846, 19064438, 20753692, 38128876, 409885417, 819770834, 1639541668]

約数ペア:

[(1, 1639541668), (2, 819770834), (4, 409885417), (43, 38128876), (79, 20753692), (86, 19064438), (158, 10376846), (172, 9532219), (316, 5188423), (3397, 482644), (6794, 241322), (13588, 120661)]