990654

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:344

約数の個数: 32

約数和(自身を含む): 2296320

約数和(自身を除く): 1305666

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 103, 206, 229, 309, 458, 618, 687, 721, 1374, 1442, 1603, 2163, 3206, 4326, 4809, 9618, 23587, 47174, 70761, 141522, 165109, 330218, 495327, 990654]

約数ペア:

[(1, 990654), (2, 495327), (3, 330218), (6, 165109), (7, 141522), (14, 70761), (21, 47174), (42, 23587), (103, 9618), (206, 4809), (229, 4326), (309, 3206), (458, 2163), (618, 1603), (687, 1442), (721, 1374)]