78640045

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{557}}^1$

素因数の和:741

約数の個数: 32

約数和(自身を含む): 109921536

約数和(自身を除く): 31281491

約数列:

[1, 5, 11, 17, 55, 85, 151, 187, 557, 755, 935, 1661, 2567, 2785, 6127, 8305, 9469, 12835, 28237, 30635, 47345, 84107, 104159, 141185, 420535, 520795, 925177, 1429819, 4625885, 7149095, 15728009, 78640045]

約数ペア:

[(1, 78640045), (5, 15728009), (11, 7149095), (17, 4625885), (55, 1429819), (85, 925177), (151, 520795), (187, 420535), (557, 141185), (755, 104159), (935, 84107), (1661, 47345), (2567, 30635), (2785, 28237), (6127, 12835), (8305, 9469)]