81620002

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{587}}^1\times {\mathrm{1879}}^1$

素因数の和:2505

約数の個数: 16

約数和(自身を含む): 126020160

約数和(自身を除く): 44400158

約数列:

[1, 2, 37, 74, 587, 1174, 1879, 3758, 21719, 43438, 69523, 139046, 1102973, 2205946, 40810001, 81620002]

約数ペア:

[(1, 81620002), (2, 40810001), (37, 2205946), (74, 1102973), (587, 139046), (1174, 69523), (1879, 43438), (3758, 21719)]