81477231025

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{42409}}^1$

素因数の和:42554

約数の個数: 48

約数和(自身を含む): 108710740480

約数和(自身を除く): 27233509455

約数列:

[1, 5, 25, 31, 37, 67, 155, 185, 335, 775, 925, 1147, 1675, 2077, 2479, 5735, 10385, 12395, 28675, 42409, 51925, 61975, 76849, 212045, 384245, 1060225, 1314679, 1569133, 1921225, 2841403, 6573395, 7845665, 14207015, 32866975, 39228325, 48643123, 71035075, 88083493, 105131911, 243215615, 440417465, 525659555, 1216078075, 2202087325, 2628297775, 3259089241, 16295446205, 81477231025]

約数ペア:

[(1, 81477231025), (5, 16295446205), (25, 3259089241), (31, 2628297775), (37, 2202087325), (67, 1216078075), (155, 525659555), (185, 440417465), (335, 243215615), (775, 105131911), (925, 88083493), (1147, 71035075), (1675, 48643123), (2077, 39228325), (2479, 32866975), (5735, 14207015), (10385, 7845665), (12395, 6573395), (28675, 2841403), (42409, 1921225), (51925, 1569133), (61975, 1314679), (76849, 1060225), (212045, 384245)]