1981308

素因数分解:

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

素因数の和:346

約数の個数: 48

約数和(自身を含む): 5358080

約数和(自身を除く): 3376772

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 103, 206, 229, 309, 412, 458, 618, 687, 721, 916, 1236, 1374, 1442, 1603, 2163, 2748, 2884, 3206, 4326, 4809, 6412, 8652, 9618, 19236, 23587, 47174, 70761, 94348, 141522, 165109, 283044, 330218, 495327, 660436, 990654, 1981308]

約数ペア:

[(1, 1981308), (2, 990654), (3, 660436), (4, 495327), (6, 330218), (7, 283044), (12, 165109), (14, 141522), (21, 94348), (28, 70761), (42, 47174), (84, 23587), (103, 19236), (206, 9618), (229, 8652), (309, 6412), (412, 4809), (458, 4326), (618, 3206), (687, 2884), (721, 2748), (916, 2163), (1236, 1603), (1374, 1442)]