258628

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:147

約数の個数: 24

約数和(自身を含む): 493920

約数和(自身を除く): 235292

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 83, 164, 166, 332, 779, 1558, 1577, 3116, 3154, 3403, 6308, 6806, 13612, 64657, 129314, 258628]

約数ペア:

[(1, 258628), (2, 129314), (4, 64657), (19, 13612), (38, 6806), (41, 6308), (76, 3403), (82, 3154), (83, 3116), (164, 1577), (166, 1558), (332, 779)]