163684445

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 212889600

約数和(自身を除く): 49205155

約数列:

[1, 5, 23, 43, 79, 115, 215, 395, 419, 989, 1817, 2095, 3397, 4945, 9085, 9637, 16985, 18017, 33101, 48185, 78131, 90085, 165505, 390655, 414391, 761323, 1423343, 2071955, 3806615, 7116715, 32736889, 163684445]

約数ペア:

[(1, 163684445), (5, 32736889), (23, 7116715), (43, 3806615), (79, 2071955), (115, 1423343), (215, 761323), (395, 414391), (419, 390655), (989, 165505), (1817, 90085), (2095, 78131), (3397, 48185), (4945, 33101), (9085, 18017), (9637, 16985)]