28261860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42821}}^1$

素因数の和:42844

約数の個数: 48

約数和(自身を含む): 86329152

約数和(自身を除く): 58067292

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 42821, 85642, 128463, 171284, 214105, 256926, 428210, 471031, 513852, 642315, 856420, 942062, 1284630, 1413093, 1884124, 2355155, 2569260, 2826186, 4710310, 5652372, 7065465, 9420620, 14130930, 28261860]

約数ペア:

[(1, 28261860), (2, 14130930), (3, 9420620), (4, 7065465), (5, 5652372), (6, 4710310), (10, 2826186), (11, 2569260), (12, 2355155), (15, 1884124), (20, 1413093), (22, 1284630), (30, 942062), (33, 856420), (44, 642315), (55, 513852), (60, 471031), (66, 428210), (110, 256926), (132, 214105), (165, 171284), (220, 128463), (330, 85642), (660, 42821)]