65379775

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2909}}^1$

素因数の和:2979

約数の個数: 24

約数和(自身を含む): 86601600

約数和(自身を除く): 21221825

約数列:

[1, 5, 25, 29, 31, 145, 155, 725, 775, 899, 2909, 4495, 14545, 22475, 72725, 84361, 90179, 421805, 450895, 2109025, 2254475, 2615191, 13075955, 65379775]

約数ペア:

[(1, 65379775), (5, 13075955), (25, 2615191), (29, 2254475), (31, 2109025), (145, 450895), (155, 421805), (725, 90179), (775, 84361), (899, 72725), (2909, 22475), (4495, 14545)]