81974330

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{50291}}^1$

素因数の和:50461

約数の個数: 16

約数和(自身を含む): 148461984

約数和(自身を除く): 66487654

約数列:

[1, 2, 5, 10, 163, 326, 815, 1630, 50291, 100582, 251455, 502910, 8197433, 16394866, 40987165, 81974330]

約数ペア:

[(1, 81974330), (2, 40987165), (5, 16394866), (10, 8197433), (163, 502910), (326, 251455), (815, 100582), (1630, 50291)]