81308626

素因数分解:

$2^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1\times {\mathrm{419}}^1$

素因数の和:678

約数の個数: 32

約数和(自身を含む): 142248960

約数和(自身を除く): 60940334

約数列:

[1, 2, 7, 14, 83, 166, 167, 334, 419, 581, 838, 1162, 1169, 2338, 2933, 5866, 13861, 27722, 34777, 69554, 69973, 97027, 139946, 194054, 243439, 486878, 489811, 979622, 5807759, 11615518, 40654313, 81308626]

約数ペア:

[(1, 81308626), (2, 40654313), (7, 11615518), (14, 5807759), (83, 979622), (166, 489811), (167, 486878), (334, 243439), (419, 194054), (581, 139946), (838, 97027), (1162, 69973), (1169, 69554), (2338, 34777), (2933, 27722), (5866, 13861)]