1999565585

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{47911}}^1$

素因数の和:48424

約数の個数: 16

約数和(自身を含む): 2545852032

約数和(自身を除く): 546286447

約数列:

[1, 5, 17, 85, 491, 2455, 8347, 41735, 47911, 239555, 814487, 4072435, 23524301, 117621505, 399913117, 1999565585]

約数ペア:

[(1, 1999565585), (5, 399913117), (17, 117621505), (85, 23524301), (491, 4072435), (2455, 814487), (8347, 239555), (41735, 47911)]