31297255

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{179}}^1$

素因数の和:240

約数の個数: 36

約数和(自身を含む): 44097480

約数和(自身を除く): 12800225

約数列:

[1, 5, 11, 17, 55, 85, 121, 179, 187, 289, 605, 895, 935, 1445, 1969, 2057, 3043, 3179, 9845, 10285, 15215, 15895, 21659, 33473, 34969, 51731, 108295, 167365, 174845, 258655, 368203, 569041, 1841015, 2845205, 6259451, 31297255]

約数ペア:

[(1, 31297255), (5, 6259451), (11, 2845205), (17, 1841015), (55, 569041), (85, 368203), (121, 258655), (179, 174845), (187, 167365), (289, 108295), (605, 51731), (895, 34969), (935, 33473), (1445, 21659), (1969, 15895), (2057, 15215), (3043, 10285), (3179, 9845)]