38119991

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:220

約数の個数: 32

約数和(自身を含む): 48921600

約数和(自身を除く): 10801609

約数列:

[1, 7, 13, 49, 83, 91, 103, 343, 581, 637, 721, 1079, 1339, 4067, 4459, 5047, 7553, 8549, 9373, 28469, 35329, 52871, 59843, 65611, 111137, 370097, 418901, 459277, 777959, 2932307, 5445713, 38119991]

約数ペア:

[(1, 38119991), (7, 5445713), (13, 2932307), (49, 777959), (83, 459277), (91, 418901), (103, 370097), (343, 111137), (581, 65611), (637, 59843), (721, 52871), (1079, 35329), (1339, 28469), (4067, 9373), (4459, 8549), (5047, 7553)]