78178945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{337}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 104936832

約数和(自身を除く): 26757887

約数列:

[1, 5, 13, 43, 65, 83, 215, 337, 415, 559, 1079, 1685, 2795, 3569, 4381, 5395, 14491, 17845, 21905, 27971, 46397, 72455, 139855, 188383, 231985, 363623, 941915, 1202753, 1818115, 6013765, 15635789, 78178945]

約数ペア:

[(1, 78178945), (5, 15635789), (13, 6013765), (43, 1818115), (65, 1202753), (83, 941915), (215, 363623), (337, 231985), (415, 188383), (559, 139855), (1079, 72455), (1685, 46397), (2795, 27971), (3569, 21905), (4381, 17845), (5395, 14491)]