81695406

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{12619}}^1$

素因数の和:12720

約数の個数: 32

約数和(自身を含む): 178093440

約数和(自身を除く): 96398034

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 83, 166, 249, 498, 1079, 2158, 3237, 6474, 12619, 25238, 37857, 75714, 164047, 328094, 492141, 984282, 1047377, 2094754, 3142131, 6284262, 13615901, 27231802, 40847703, 81695406]

約数ペア:

[(1, 81695406), (2, 40847703), (3, 27231802), (6, 13615901), (13, 6284262), (26, 3142131), (39, 2094754), (78, 1047377), (83, 984282), (166, 492141), (249, 328094), (498, 164047), (1079, 75714), (2158, 37857), (3237, 25238), (6474, 12619)]