71311028

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{21821}}^1$

素因数の和:21887

約数の個数: 24

約数和(自身を含む): 134423520

約数和(自身を除く): 63112492

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 817, 1634, 3268, 21821, 43642, 87284, 414599, 829198, 938303, 1658396, 1876606, 3753212, 17827757, 35655514, 71311028]

約数ペア:

[(1, 71311028), (2, 35655514), (4, 17827757), (19, 3753212), (38, 1876606), (43, 1658396), (76, 938303), (86, 829198), (172, 414599), (817, 87284), (1634, 43642), (3268, 21821)]