6491090

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20939}}^1$

素因数の和:20977

約数の個数: 16

約数和(自身を含む): 12061440

約数和(自身を除く): 5570350

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 20939, 41878, 104695, 209390, 649109, 1298218, 3245545, 6491090]

約数ペア:

[(1, 6491090), (2, 3245545), (5, 1298218), (10, 649109), (31, 209390), (62, 104695), (155, 41878), (310, 20939)]