64897105

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 102187008

約数和(自身を除く): 37289903

約数列:

[1, 5, 7, 13, 31, 35, 43, 65, 91, 107, 155, 215, 217, 301, 403, 455, 535, 559, 749, 1085, 1333, 1391, 1505, 2015, 2795, 2821, 3317, 3745, 3913, 4601, 6665, 6955, 9331, 9737, 14105, 16585, 17329, 19565, 23005, 23219, 32207, 43121, 46655, 48685, 59813, 86645, 116095, 121303, 142631, 161035, 215605, 299065, 301847, 418691, 606515, 713155, 998417, 1509235, 1854203, 2093455, 4992085, 9271015, 12979421, 64897105]

約数ペア:

[(1, 64897105), (5, 12979421), (7, 9271015), (13, 4992085), (31, 2093455), (35, 1854203), (43, 1509235), (65, 998417), (91, 713155), (107, 606515), (155, 418691), (215, 301847), (217, 299065), (301, 215605), (403, 161035), (455, 142631), (535, 121303), (559, 116095), (749, 86645), (1085, 59813), (1333, 48685), (1391, 46655), (1505, 43121), (2015, 32207), (2795, 23219), (2821, 23005), (3317, 19565), (3745, 17329), (3913, 16585), (4601, 14105), (6665, 9737), (6955, 9331)]