690992

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{2273}}^1$

素因数の和:2300

約数の個数: 20

約数和(自身を含む): 1409880

約数和(自身を除く): 718888

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 2273, 4546, 9092, 18184, 36368, 43187, 86374, 172748, 345496, 690992]

約数ペア:

[(1, 690992), (2, 345496), (4, 172748), (8, 86374), (16, 43187), (19, 36368), (38, 18184), (76, 9092), (152, 4546), (304, 2273)]