42989219

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:376

約数の個数: 32

約数和(自身を含む): 55910400

約数和(自身を除く): 12921181

約数列:

[1, 7, 13, 31, 49, 91, 217, 311, 343, 403, 637, 1519, 2177, 2821, 4043, 4459, 9641, 10633, 15239, 19747, 28301, 67487, 106673, 125333, 138229, 198107, 472409, 877331, 1386749, 3306863, 6141317, 42989219]

約数ペア:

[(1, 42989219), (7, 6141317), (13, 3306863), (31, 1386749), (49, 877331), (91, 472409), (217, 198107), (311, 138229), (343, 125333), (403, 106673), (637, 67487), (1519, 28301), (2177, 19747), (2821, 15239), (4043, 10633), (4459, 9641)]