81863852

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{41179}}^1$

素因数の和:41261

約数の個数: 24

約数和(自身を含む): 166037760

約数和(自身を除く): 84173908

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 41179, 82358, 164716, 288253, 576506, 1153012, 2923709, 5847418, 11694836, 20465963, 40931926, 81863852]

約数ペア:

[(1, 81863852), (2, 40931926), (4, 20465963), (7, 11694836), (14, 5847418), (28, 2923709), (71, 1153012), (142, 576506), (284, 288253), (497, 164716), (994, 82358), (1988, 41179)]