649422

素因数分解:

$2^1\times 3^2\times {\mathrm{109}}^1\times {\mathrm{331}}^1$

素因数の和:448

約数の個数: 24

約数和(自身を含む): 1424280

約数和(自身を除く): 774858

約数列:

[1, 2, 3, 6, 9, 18, 109, 218, 327, 331, 654, 662, 981, 993, 1962, 1986, 2979, 5958, 36079, 72158, 108237, 216474, 324711, 649422]

約数ペア:

[(1, 649422), (2, 324711), (3, 216474), (6, 108237), (9, 72158), (18, 36079), (109, 5958), (218, 2979), (327, 1986), (331, 1962), (654, 993), (662, 981)]