91980406

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{345791}}^1$

素因数の和:345819

約数の個数: 16

約数和(自身を含む): 165980160

約数和(自身を除く): 73999754

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 345791, 691582, 2420537, 4841074, 6570029, 13140058, 45990203, 91980406]

約数ペア:

[(1, 91980406), (2, 45990203), (7, 13140058), (14, 6570029), (19, 4841074), (38, 2420537), (133, 691582), (266, 345791)]