81819974

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{18587}}^1$

素因数の和:18691

約数の個数: 16

約数和(自身を含む): 128480256

約数和(自身を除く): 46660282

約数列:

[1, 2, 31, 62, 71, 142, 2201, 4402, 18587, 37174, 576197, 1152394, 1319677, 2639354, 40909987, 81819974]

約数ペア:

[(1, 81819974), (2, 40909987), (31, 2639354), (62, 1319677), (71, 1152394), (142, 576197), (2201, 37174), (4402, 18587)]