131971895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{853}}^1$

素因数の和:995

約数の個数: 32

約数和(自身を含む): 180774720

約数和(自身を除く): 48802825

約数列:

[1, 5, 11, 29, 55, 97, 145, 319, 485, 853, 1067, 1595, 2813, 4265, 5335, 9383, 14065, 24737, 30943, 46915, 82741, 123685, 154715, 272107, 413705, 910151, 1360535, 2399489, 4550755, 11997445, 26394379, 131971895]

約数ペア:

[(1, 131971895), (5, 26394379), (11, 11997445), (29, 4550755), (55, 2399489), (97, 1360535), (145, 910151), (319, 413705), (485, 272107), (853, 154715), (1067, 123685), (1595, 82741), (2813, 46915), (4265, 30943), (5335, 24737), (9383, 14065)]