247865744

素因数分解:

$2^4\times 7^1\times {\mathrm{181}}^1\times {\mathrm{12227}}^1$

素因数の和:12423

約数の個数: 40

約数和(自身を含む): 551923008

約数和(自身を除く): 304057264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 181, 362, 724, 1267, 1448, 2534, 2896, 5068, 10136, 12227, 20272, 24454, 48908, 85589, 97816, 171178, 195632, 342356, 684712, 1369424, 2213087, 4426174, 8852348, 15491609, 17704696, 30983218, 35409392, 61966436, 123932872, 247865744]

約数ペア:

[(1, 247865744), (2, 123932872), (4, 61966436), (7, 35409392), (8, 30983218), (14, 17704696), (16, 15491609), (28, 8852348), (56, 4426174), (112, 2213087), (181, 1369424), (362, 684712), (724, 342356), (1267, 195632), (1448, 171178), (2534, 97816), (2896, 85589), (5068, 48908), (10136, 24454), (12227, 20272)]