1649761345

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{245683}}^1$

素因数の和:245784

約数の個数: 16

約数和(自身を含む): 2122709760

約数和(自身を除く): 472948415

約数列:

[1, 5, 17, 79, 85, 395, 1343, 6715, 245683, 1228415, 4176611, 19408957, 20883055, 97044785, 329952269, 1649761345]

約数ペア:

[(1, 1649761345), (5, 329952269), (17, 97044785), (79, 20883055), (85, 19408957), (395, 4176611), (1343, 1228415), (6715, 245683)]