71016281

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:381

約数の個数: 24

約数和(自身を含む): 86685120

約数和(自身を除く): 15668839

約数列:

[1, 7, 19, 133, 157, 179, 361, 1099, 1253, 2527, 2983, 3401, 20881, 23807, 28103, 56677, 64619, 196721, 396739, 452333, 533957, 3737699, 10145183, 71016281]

約数ペア:

[(1, 71016281), (7, 10145183), (19, 3737699), (133, 533957), (157, 452333), (179, 396739), (361, 196721), (1099, 64619), (1253, 56677), (2527, 28103), (2983, 23807), (3401, 20881)]