64006775

素因数分解:

$5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 94708224

約数和(自身を除く): 30701449

約数列:

[1, 5, 7, 25, 35, 53, 67, 103, 175, 265, 335, 371, 469, 515, 721, 1325, 1675, 1855, 2345, 2575, 3551, 3605, 5459, 6901, 9275, 11725, 17755, 18025, 24857, 27295, 34505, 38213, 48307, 88775, 124285, 136475, 172525, 191065, 241535, 365753, 621425, 955325, 1207675, 1828765, 2560271, 9143825, 12801355, 64006775]

約数ペア:

[(1, 64006775), (5, 12801355), (7, 9143825), (25, 2560271), (35, 1828765), (53, 1207675), (67, 955325), (103, 621425), (175, 365753), (265, 241535), (335, 191065), (371, 172525), (469, 136475), (515, 124285), (721, 88775), (1325, 48307), (1675, 38213), (1855, 34505), (2345, 27295), (2575, 24857), (3551, 18025), (3605, 17755), (5459, 11725), (6901, 9275)]