89915870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{19937}}^1$

素因数の和:19996

約数の個数: 32

約数和(自身を含む): 180877536

約数和(自身を除く): 90961666

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 902, 2255, 4510, 19937, 39874, 99685, 199370, 219307, 438614, 817417, 1096535, 1634834, 2193070, 4087085, 8174170, 8991587, 17983174, 44957935, 89915870]

約数ペア:

[(1, 89915870), (2, 44957935), (5, 17983174), (10, 8991587), (11, 8174170), (22, 4087085), (41, 2193070), (55, 1634834), (82, 1096535), (110, 817417), (205, 438614), (410, 219307), (451, 199370), (902, 99685), (2255, 39874), (4510, 19937)]