31382785

素因数分解:

$5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{631}}^1$

素因数の和:686

約数の個数: 32

約数和(自身を含む): 45504000

約数和(自身を除く): 14121215

約数列:

[1, 5, 7, 29, 35, 49, 145, 203, 245, 343, 631, 1015, 1421, 1715, 3155, 4417, 7105, 9947, 18299, 22085, 30919, 49735, 91495, 128093, 154595, 216433, 640465, 896651, 1082165, 4483255, 6276557, 31382785]

約数ペア:

[(1, 31382785), (5, 6276557), (7, 4483255), (29, 1082165), (35, 896651), (49, 640465), (145, 216433), (203, 154595), (245, 128093), (343, 91495), (631, 49735), (1015, 30919), (1421, 22085), (1715, 18299), (3155, 9947), (4417, 7105)]