28378376

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{773}}^1$

素因数の和:1145

約数の個数: 32

約数和(自身を含む): 57539160

約数和(自身を除く): 29160784

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 353, 706, 773, 1412, 1546, 2824, 3092, 4589, 6184, 9178, 10049, 18356, 20098, 36712, 40196, 80392, 272869, 545738, 1091476, 2182952, 3547297, 7094594, 14189188, 28378376]

約数ペア:

[(1, 28378376), (2, 14189188), (4, 7094594), (8, 3547297), (13, 2182952), (26, 1091476), (52, 545738), (104, 272869), (353, 80392), (706, 40196), (773, 36712), (1412, 20098), (1546, 18356), (2824, 10049), (3092, 9178), (4589, 6184)]