72678815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:527

約数の個数: 32

約数和(自身を含む): 98841600

約数和(自身を除く): 26162785

約数列:

[1, 5, 11, 43, 55, 79, 215, 389, 395, 473, 869, 1945, 2365, 3397, 4279, 4345, 16727, 16985, 21395, 30731, 37367, 83635, 153655, 183997, 186835, 338041, 919985, 1321433, 1690205, 6607165, 14535763, 72678815]

約数ペア:

[(1, 72678815), (5, 14535763), (11, 6607165), (43, 1690205), (55, 1321433), (79, 919985), (215, 338041), (389, 186835), (395, 183997), (473, 153655), (869, 83635), (1945, 37367), (2365, 30731), (3397, 21395), (4279, 16985), (4345, 16727)]