31686590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3433}}^1$

素因数の和:3524

約数の個数: 32

約数和(自身を含む): 62306496

約数和(自身を除く): 30619906

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 3433, 4615, 6866, 9230, 17165, 34330, 44629, 89258, 223145, 243743, 446290, 487486, 1218715, 2437430, 3168659, 6337318, 15843295, 31686590]

約数ペア:

[(1, 31686590), (2, 15843295), (5, 6337318), (10, 3168659), (13, 2437430), (26, 1218715), (65, 487486), (71, 446290), (130, 243743), (142, 223145), (355, 89258), (710, 44629), (923, 34330), (1846, 17165), (3433, 9230), (4615, 6866)]