39971555

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 54190080

約数和(自身を除く): 14218525

約数列:

[1, 5, 13, 31, 65, 83, 155, 239, 403, 415, 1079, 1195, 2015, 2573, 3107, 5395, 7409, 12865, 15535, 19837, 33449, 37045, 96317, 99185, 167245, 257881, 481585, 614947, 1289405, 3074735, 7994311, 39971555]

約数ペア:

[(1, 39971555), (5, 7994311), (13, 3074735), (31, 1289405), (65, 614947), (83, 481585), (155, 257881), (239, 167245), (403, 99185), (415, 96317), (1079, 37045), (1195, 33449), (2015, 19837), (2573, 15535), (3107, 12865), (5395, 7409)]