31199155

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{509}}^1$

素因数の和:591

約数の個数: 32

約数和(自身を含む): 43182720

約数和(自身を除く): 11983565

約数列:

[1, 5, 13, 23, 41, 65, 115, 205, 299, 509, 533, 943, 1495, 2545, 2665, 4715, 6617, 11707, 12259, 20869, 33085, 58535, 61295, 104345, 152191, 271297, 479987, 760955, 1356485, 2399935, 6239831, 31199155]

約数ペア:

[(1, 31199155), (5, 6239831), (13, 2399935), (23, 1356485), (41, 760955), (65, 479987), (115, 271297), (205, 152191), (299, 104345), (509, 61295), (533, 58535), (943, 33085), (1495, 20869), (2545, 12259), (2665, 11707), (4715, 6617)]