42420274

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1997}}^1$

素因数の和:2074

約数の個数: 32

約数和(自身を含む): 73846080

約数和(自身を除く): 31425806

約数列:

[1, 2, 13, 19, 26, 38, 43, 86, 247, 494, 559, 817, 1118, 1634, 1997, 3994, 10621, 21242, 25961, 37943, 51922, 75886, 85871, 171742, 493259, 986518, 1116323, 1631549, 2232646, 3263098, 21210137, 42420274]

約数ペア:

[(1, 42420274), (2, 21210137), (13, 3263098), (19, 2232646), (26, 1631549), (38, 1116323), (43, 986518), (86, 493259), (247, 171742), (494, 85871), (559, 75886), (817, 51922), (1118, 37943), (1634, 25961), (1997, 21242), (3994, 10621)]