64661345

素因数分解:

$5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 91203840

約数和(自身を除く): 26542495

約数列:

[1, 5, 7, 35, 59, 173, 181, 295, 413, 865, 905, 1211, 1267, 2065, 6055, 6335, 10207, 10679, 31313, 51035, 53395, 71449, 74753, 156565, 219191, 357245, 373765, 1095955, 1847467, 9237335, 12932269, 64661345]

約数ペア:

[(1, 64661345), (5, 12932269), (7, 9237335), (35, 1847467), (59, 1095955), (173, 373765), (181, 357245), (295, 219191), (413, 156565), (865, 74753), (905, 71449), (1211, 53395), (1267, 51035), (2065, 31313), (6055, 10679), (6335, 10207)]