61716395

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 83026944

約数和(自身を除く): 21310549

約数列:

[1, 5, 13, 43, 65, 71, 215, 311, 355, 559, 923, 1555, 2795, 3053, 4043, 4615, 13373, 15265, 20215, 22081, 39689, 66865, 110405, 173849, 198445, 287053, 869245, 949483, 1435265, 4747415, 12343279, 61716395]

約数ペア:

[(1, 61716395), (5, 12343279), (13, 4747415), (43, 1435265), (65, 949483), (71, 869245), (215, 287053), (311, 198445), (355, 173849), (559, 110405), (923, 66865), (1555, 39689), (2795, 22081), (3053, 20215), (4043, 15265), (4615, 13373)]