31281394

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{6619}}^1$

素因数の和:6777

約数の個数: 16

約数和(自身を含む): 50047200

約数和(自身を除く): 18765806

約数列:

[1, 2, 17, 34, 139, 278, 2363, 4726, 6619, 13238, 112523, 225046, 920041, 1840082, 15640697, 31281394]

約数ペア:

[(1, 31281394), (2, 15640697), (17, 1840082), (34, 920041), (139, 225046), (278, 112523), (2363, 13238), (4726, 6619)]