87319705

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1$

素因数の和:525

約数の個数: 32

約数和(自身を含む): 118195200

約数和(自身を除く): 30875495

約数列:

[1, 5, 11, 55, 59, 71, 295, 355, 379, 649, 781, 1895, 3245, 3905, 4169, 4189, 20845, 20945, 22361, 26909, 46079, 111805, 134545, 230395, 245971, 295999, 1229855, 1479995, 1587631, 7938155, 17463941, 87319705]

約数ペア:

[(1, 87319705), (5, 17463941), (11, 7938155), (55, 1587631), (59, 1479995), (71, 1229855), (295, 295999), (355, 245971), (379, 230395), (649, 134545), (781, 111805), (1895, 46079), (3245, 26909), (3905, 22361), (4169, 20945), (4189, 20845)]