139291790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{2579}}^1$

素因数の和:3088

約数の個数: 32

約数和(自身を含む): 274181760

約数和(自身を除く): 134889970

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 491, 982, 2455, 2579, 4910, 5158, 5401, 10802, 12895, 25790, 27005, 28369, 54010, 56738, 141845, 283690, 1266289, 2532578, 6331445, 12662890, 13929179, 27858358, 69645895, 139291790]

約数ペア:

[(1, 139291790), (2, 69645895), (5, 27858358), (10, 13929179), (11, 12662890), (22, 6331445), (55, 2532578), (110, 1266289), (491, 283690), (982, 141845), (2455, 56738), (2579, 54010), (4910, 28369), (5158, 27005), (5401, 25790), (10802, 12895)]