199739782

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{41}}^2\times {\mathrm{491}}^1$

素因数の和:597

約数の個数: 36

約数和(自身を含む): 338238684

約数和(自身を除く): 138498902

約数列:

[1, 2, 11, 22, 41, 82, 121, 242, 451, 491, 902, 982, 1681, 3362, 4961, 5401, 9922, 10802, 18491, 20131, 36982, 40262, 59411, 118822, 203401, 221441, 406802, 442882, 825371, 1650742, 2435851, 4871702, 9079081, 18158162, 99869891, 199739782]

約数ペア:

[(1, 199739782), (2, 99869891), (11, 18158162), (22, 9079081), (41, 4871702), (82, 2435851), (121, 1650742), (242, 825371), (451, 442882), (491, 406802), (902, 221441), (982, 203401), (1681, 118822), (3362, 59411), (4961, 40262), (5401, 36982), (9922, 20131), (10802, 18491)]