78661805

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{919}}^1$

素因数の和:1013

約数の個数: 32

約数和(自身を含む): 107308800

約数和(自身を除く): 28646995

約数列:

[1, 5, 17, 19, 53, 85, 95, 265, 323, 901, 919, 1007, 1615, 4505, 4595, 5035, 15623, 17119, 17461, 48707, 78115, 85595, 87305, 243535, 296837, 828019, 925433, 1484185, 4140095, 4627165, 15732361, 78661805]

約数ペア:

[(1, 78661805), (5, 15732361), (17, 4627165), (19, 4140095), (53, 1484185), (85, 925433), (95, 828019), (265, 296837), (323, 243535), (901, 87305), (919, 85595), (1007, 78115), (1615, 48707), (4505, 17461), (4595, 17119), (5035, 15623)]