198641286

素因数分解:

$2^1\times 3^2\times {\mathrm{139}}^1\times {\mathrm{79393}}^1$

素因数の和:79540

約数の個数: 24

約数和(自身を含む): 433491240

約数和(自身を除く): 234849954

約数列:

[1, 2, 3, 6, 9, 18, 139, 278, 417, 834, 1251, 2502, 79393, 158786, 238179, 476358, 714537, 1429074, 11035627, 22071254, 33106881, 66213762, 99320643, 198641286]

約数ペア:

[(1, 198641286), (2, 99320643), (3, 66213762), (6, 33106881), (9, 22071254), (18, 11035627), (139, 1429074), (278, 714537), (417, 476358), (834, 238179), (1251, 158786), (2502, 79393)]