28720670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{1367}}^1$

素因数の和:1576

約数の個数: 32

約数和(自身を含む): 56733696

約数和(自身を除く): 28013026

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 191, 382, 955, 1367, 1910, 2101, 2734, 4202, 6835, 10505, 13670, 15037, 21010, 30074, 75185, 150370, 261097, 522194, 1305485, 2610970, 2872067, 5744134, 14360335, 28720670]

約数ペア:

[(1, 28720670), (2, 14360335), (5, 5744134), (10, 2872067), (11, 2610970), (22, 1305485), (55, 522194), (110, 261097), (191, 150370), (382, 75185), (955, 30074), (1367, 21010), (1910, 15037), (2101, 13670), (2734, 10505), (4202, 6835)]