64386287

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 79626240

約数和(自身を除く): 15239953

約数列:

[1, 7, 31, 47, 59, 107, 217, 329, 413, 749, 1457, 1829, 2773, 3317, 5029, 6313, 10199, 12803, 19411, 23219, 35203, 44191, 85963, 155899, 195703, 296711, 601741, 1091293, 1369921, 2076977, 9198041, 64386287]

約数ペア:

[(1, 64386287), (7, 9198041), (31, 2076977), (47, 1369921), (59, 1091293), (107, 601741), (217, 296711), (329, 195703), (413, 155899), (749, 85963), (1457, 44191), (1829, 35203), (2773, 23219), (3317, 19411), (5029, 12803), (6313, 10199)]