80997308

素因数分解:

$2^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{17747}}^1$

素因数の和:17921

約数の個数: 24

約数和(自身を含む): 162997632

約数和(自身を除く): 82000324

約数列:

[1, 2, 4, 7, 14, 28, 163, 326, 652, 1141, 2282, 4564, 17747, 35494, 70988, 124229, 248458, 496916, 2892761, 5785522, 11571044, 20249327, 40498654, 80997308]

約数ペア:

[(1, 80997308), (2, 40498654), (4, 20249327), (7, 11571044), (14, 5785522), (28, 2892761), (163, 496916), (326, 248458), (652, 124229), (1141, 70988), (2282, 35494), (4564, 17747)]