53981615

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^2$

素因数の和:259

約数の個数: 24

約数和(自身を含む): 69215040

約数和(自身を除く): 15233425

約数列:

[1, 5, 29, 47, 89, 145, 235, 445, 1363, 2581, 4183, 6815, 7921, 12905, 20915, 39605, 121307, 229709, 372287, 606535, 1148545, 1861435, 10796323, 53981615]

約数ペア:

[(1, 53981615), (5, 10796323), (29, 1861435), (47, 1148545), (89, 606535), (145, 372287), (235, 229709), (445, 121307), (1363, 39605), (2581, 20915), (4183, 12905), (6815, 7921)]