678686974

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{10343}}^1$

素因数の和:10504

約数の個数: 32

約数和(自身を含む): 1201559040

約数和(自身を除く): 522872066

約数列:

[1, 2, 7, 14, 43, 86, 109, 218, 301, 602, 763, 1526, 4687, 9374, 10343, 20686, 32809, 65618, 72401, 144802, 444749, 889498, 1127387, 2254774, 3113243, 6226486, 7891709, 15783418, 48477641, 96955282, 339343487, 678686974]

約数ペア:

[(1, 678686974), (2, 339343487), (7, 96955282), (14, 48477641), (43, 15783418), (86, 7891709), (109, 6226486), (218, 3113243), (301, 2254774), (602, 1127387), (763, 889498), (1526, 444749), (4687, 144802), (9374, 72401), (10343, 65618), (20686, 32809)]