78125228

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{227}}^1\times {\mathrm{619}}^1$

素因数の和:989

約数の個数: 24

約数和(自身を含む): 138532800

約数和(自身を除く): 60407572

約数列:

[1, 2, 4, 139, 227, 278, 454, 556, 619, 908, 1238, 2476, 31553, 63106, 86041, 126212, 140513, 172082, 281026, 344164, 562052, 19531307, 39062614, 78125228]

約数ペア:

[(1, 78125228), (2, 39062614), (4, 19531307), (139, 562052), (227, 344164), (278, 281026), (454, 172082), (556, 140513), (619, 126212), (908, 86041), (1238, 63106), (2476, 31553)]