81515014

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:209

約数の個数: 48

約数和(自身を含む): 148290048

約数和(自身を除く): 66775034

約数列:

[1, 2, 7, 14, 43, 47, 67, 86, 94, 134, 301, 329, 469, 602, 658, 938, 1849, 2021, 2881, 3149, 3698, 4042, 5762, 6298, 12943, 14147, 20167, 22043, 25886, 28294, 40334, 44086, 86903, 123883, 135407, 173806, 247766, 270814, 608321, 867181, 947849, 1216642, 1734362, 1895698, 5822501, 11645002, 40757507, 81515014]

約数ペア:

[(1, 81515014), (2, 40757507), (7, 11645002), (14, 5822501), (43, 1895698), (47, 1734362), (67, 1216642), (86, 947849), (94, 867181), (134, 608321), (301, 270814), (329, 247766), (469, 173806), (602, 135407), (658, 123883), (938, 86903), (1849, 44086), (2021, 40334), (2881, 28294), (3149, 25886), (3698, 22043), (4042, 20167), (5762, 14147), (6298, 12943)]