78727831

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{21101}}^1$

素因数の和:21162

約数の個数: 16

約数和(自身を含む): 99263808

約数和(自身を除く): 20535977

約数列:

[1, 7, 13, 41, 91, 287, 533, 3731, 21101, 147707, 274313, 865141, 1920191, 6055987, 11246833, 78727831]

約数ペア:

[(1, 78727831), (7, 11246833), (13, 6055987), (41, 1920191), (91, 865141), (287, 274313), (533, 147707), (3731, 21101)]