400014778

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{20411}}^1$

素因数の和:20693

約数の個数: 16

約数和(自身を含む): 617258880

約数和(自身を除く): 217244102

約数列:

[1, 2, 41, 82, 239, 478, 9799, 19598, 20411, 40822, 836851, 1673702, 4878229, 9756458, 200007389, 400014778]

約数ペア:

[(1, 400014778), (2, 200007389), (41, 9756458), (82, 4878229), (239, 1673702), (478, 836851), (9799, 40822), (19598, 20411)]