641131345

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{503}}^1\times {\mathrm{13417}}^1$

素因数の和:13944

約数の個数: 16

約数和(自身を含む): 811520640

約数和(自身を除く): 170389295

約数列:

[1, 5, 19, 95, 503, 2515, 9557, 13417, 47785, 67085, 254923, 1274615, 6748751, 33743755, 128226269, 641131345]

約数ペア:

[(1, 641131345), (5, 128226269), (19, 33743755), (95, 6748751), (503, 1274615), (2515, 254923), (9557, 67085), (13417, 47785)]