77312495

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 103488000

約数和(自身を除く): 26175505

約数列:

[1, 5, 13, 43, 65, 139, 199, 215, 559, 695, 995, 1807, 2587, 2795, 5977, 8557, 9035, 12935, 27661, 29885, 42785, 77701, 111241, 138305, 359593, 388505, 556205, 1189423, 1797965, 5947115, 15462499, 77312495]

約数ペア:

[(1, 77312495), (5, 15462499), (13, 5947115), (43, 1797965), (65, 1189423), (139, 556205), (199, 388505), (215, 359593), (559, 138305), (695, 111241), (995, 77701), (1807, 42785), (2587, 29885), (2795, 27661), (5977, 12935), (8557, 9035)]