881268479

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 1146247200

約数和(自身を除く): 264978721

約数列:

[1, 7, 13, 37, 49, 91, 139, 259, 269, 481, 637, 973, 1807, 1813, 1883, 3367, 3497, 5143, 6811, 9953, 12649, 13181, 23569, 24479, 36001, 37391, 66859, 69671, 88543, 129389, 171353, 252007, 261737, 468013, 486083, 487697, 905723, 1383467, 1832159, 3276091, 3402581, 6340061, 9684269, 17985071, 23818067, 67789883, 125895497, 881268479]

約数ペア:

[(1, 881268479), (7, 125895497), (13, 67789883), (37, 23818067), (49, 17985071), (91, 9684269), (139, 6340061), (259, 3402581), (269, 3276091), (481, 1832159), (637, 1383467), (973, 905723), (1807, 487697), (1813, 486083), (1883, 468013), (3367, 261737), (3497, 252007), (5143, 171353), (6811, 129389), (9953, 88543), (12649, 69671), (13181, 66859), (23569, 37391), (24479, 36001)]