2189065

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:552

約数の個数: 16

約数和(自身を含む): 2810880

約数和(自身を除く): 621815

約数列:

[1, 5, 29, 31, 145, 155, 487, 899, 2435, 4495, 14123, 15097, 70615, 75485, 437813, 2189065]

約数ペア:

[(1, 2189065), (5, 437813), (29, 75485), (31, 70615), (145, 15097), (155, 14123), (487, 4495), (899, 2435)]