12890398

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:232

約数の個数: 32

約数和(自身を含む): 21248640

約数和(自身を除く): 8358242

約数列:

[1, 2, 19, 38, 61, 67, 83, 122, 134, 166, 1159, 1273, 1577, 2318, 2546, 3154, 4087, 5063, 5561, 8174, 10126, 11122, 77653, 96197, 105659, 155306, 192394, 211318, 339221, 678442, 6445199, 12890398]

約数ペア:

[(1, 12890398), (2, 6445199), (19, 678442), (38, 339221), (61, 211318), (67, 192394), (83, 155306), (122, 105659), (134, 96197), (166, 77653), (1159, 11122), (1273, 10126), (1577, 8174), (2318, 5561), (2546, 5063), (3154, 4087)]