42571978

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{787}}^1$

素因数の和:886

約数の個数: 32

約数和(自身を含む): 71146944

約数和(自身を除く): 28574966

約数列:

[1, 2, 17, 34, 37, 43, 74, 86, 629, 731, 787, 1258, 1462, 1574, 1591, 3182, 13379, 26758, 27047, 29119, 33841, 54094, 58238, 67682, 495023, 575297, 990046, 1150594, 1252117, 2504234, 21285989, 42571978]

約数ペア:

[(1, 42571978), (2, 21285989), (17, 2504234), (34, 1252117), (37, 1150594), (43, 990046), (74, 575297), (86, 495023), (629, 67682), (731, 58238), (787, 54094), (1258, 33841), (1462, 29119), (1574, 27047), (1591, 26758), (3182, 13379)]