81014708

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{1663}}^1$

素因数の和:2327

約数の個数: 24

約数和(自身を含む): 149560320

約数和(自身を除く): 68545612

約数列:

[1, 2, 4, 19, 38, 76, 641, 1282, 1663, 2564, 3326, 6652, 12179, 24358, 31597, 48716, 63194, 126388, 1065983, 2131966, 4263932, 20253677, 40507354, 81014708]

約数ペア:

[(1, 81014708), (2, 40507354), (4, 20253677), (19, 4263932), (38, 2131966), (76, 1065983), (641, 126388), (1282, 63194), (1663, 48716), (2564, 31597), (3326, 24358), (6652, 12179)]