1388224

素因数分解:

$2^6\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:320

約数の個数: 28

約数和(自身を含む): 2794000

約数和(自身を除く): 1405776

約数列:

[1, 2, 4, 8, 16, 32, 64, 109, 199, 218, 398, 436, 796, 872, 1592, 1744, 3184, 3488, 6368, 6976, 12736, 21691, 43382, 86764, 173528, 347056, 694112, 1388224]

約数ペア:

[(1, 1388224), (2, 694112), (4, 347056), (8, 173528), (16, 86764), (32, 43382), (64, 21691), (109, 12736), (199, 6976), (218, 6368), (398, 3488), (436, 3184), (796, 1744), (872, 1592)]