12801355

素因数分解:

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

素因数の和:235

約数の個数: 32

約数和(自身を含む): 18330624

約数和(自身を除く): 5529269

約数列:

[1, 5, 7, 35, 53, 67, 103, 265, 335, 371, 469, 515, 721, 1855, 2345, 3551, 3605, 5459, 6901, 17755, 24857, 27295, 34505, 38213, 48307, 124285, 191065, 241535, 365753, 1828765, 2560271, 12801355]

約数ペア:

[(1, 12801355), (5, 2560271), (7, 1828765), (35, 365753), (53, 241535), (67, 191065), (103, 124285), (265, 48307), (335, 38213), (371, 34505), (469, 27295), (515, 24857), (721, 17755), (1855, 6901), (2345, 5459), (3551, 3605)]