1311808

素因数分解:

$2^6\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:314

約数の個数: 28

約数和(自身を含む): 2641600

約数和(自身を除く): 1329792

約数列:

[1, 2, 4, 8, 16, 32, 64, 103, 199, 206, 398, 412, 796, 824, 1592, 1648, 3184, 3296, 6368, 6592, 12736, 20497, 40994, 81988, 163976, 327952, 655904, 1311808]

約数ペア:

[(1, 1311808), (2, 655904), (4, 327952), (8, 163976), (16, 81988), (32, 40994), (64, 20497), (103, 12736), (199, 6592), (206, 6368), (398, 3296), (412, 3184), (796, 1648), (824, 1592)]