81942436

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{499649}}^1$

素因数の和:499694

約数の個数: 12

約数和(自身を含む): 146897100

約数和(自身を除く): 64954664

約数列:

[1, 2, 4, 41, 82, 164, 499649, 999298, 1998596, 20485609, 40971218, 81942436]

約数ペア:

[(1, 81942436), (2, 40971218), (4, 20485609), (41, 1998596), (82, 999298), (164, 499649)]