81108453818

素因数分解:

$2^1\times 7^1\times {\mathrm{9403}}^1\times {\mathrm{616129}}^1$

素因数の和:625541

約数の個数: 16

約数和(自身を含む): 139058076480

約数和(自身を除く): 57949622662

約数列:

[1, 2, 7, 14, 9403, 18806, 65821, 131642, 616129, 1232258, 4312903, 8625806, 5793460987, 11586921974, 40554226909, 81108453818]

約数ペア:

[(1, 81108453818), (2, 40554226909), (7, 11586921974), (14, 5793460987), (9403, 8625806), (18806, 4312903), (65821, 1232258), (131642, 616129)]