205128712

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{1349531}}^1$

素因数の和:1349556

約数の個数: 16

約数和(自身を含む): 404859600

約数和(自身を除く): 199730888

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 1349531, 2699062, 5398124, 10796248, 25641089, 51282178, 102564356, 205128712]

約数ペア:

[(1, 205128712), (2, 102564356), (4, 51282178), (8, 25641089), (19, 10796248), (38, 5398124), (76, 2699062), (152, 1349531)]