664752208

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{883979}}^1$

素因数の和:884034

約数の個数: 20

約数和(自身を含む): 1315362240

約数和(自身を除く): 650610032

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 883979, 1767958, 3535916, 7071832, 14143664, 41547013, 83094026, 166188052, 332376104, 664752208]

約数ペア:

[(1, 664752208), (2, 332376104), (4, 166188052), (8, 83094026), (16, 41547013), (47, 14143664), (94, 7071832), (188, 3535916), (376, 1767958), (752, 883979)]