78275015

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2423}}^1$

素因数の和:2519

約数の個数: 32

約数和(自身を含む): 117282816

約数和(自身を除く): 39007801

約数列:

[1, 5, 7, 13, 35, 65, 71, 91, 355, 455, 497, 923, 2423, 2485, 4615, 6461, 12115, 16961, 31499, 32305, 84805, 157495, 172033, 220493, 860165, 1102465, 1204231, 2236429, 6021155, 11182145, 15655003, 78275015]

約数ペア:

[(1, 78275015), (5, 15655003), (7, 11182145), (13, 6021155), (35, 2236429), (65, 1204231), (71, 1102465), (91, 860165), (355, 220493), (455, 172033), (497, 157495), (923, 84805), (2423, 32305), (2485, 31499), (4615, 16961), (6461, 12115)]