201720085

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{353}}^1\times {\mathrm{563}}^1$

素因数の和:957

約数の個数: 32

約数和(自身を含む): 287504640

約数和(自身を除く): 85784555

約数列:

[1, 5, 7, 29, 35, 145, 203, 353, 563, 1015, 1765, 2471, 2815, 3941, 10237, 12355, 16327, 19705, 51185, 71659, 81635, 114289, 198739, 358295, 571445, 993695, 1391173, 5763431, 6955865, 28817155, 40344017, 201720085]

約数ペア:

[(1, 201720085), (5, 40344017), (7, 28817155), (29, 6955865), (35, 5763431), (145, 1391173), (203, 993695), (353, 571445), (563, 358295), (1015, 198739), (1765, 114289), (2471, 81635), (2815, 71659), (3941, 51185), (10237, 19705), (12355, 16327)]