72187654

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{15121}}^1$

素因数の和:15172

約数の個数: 32

約数和(自身を含む): 139364352

約数和(自身を除く): 67176698

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 154, 217, 341, 434, 682, 2387, 4774, 15121, 30242, 105847, 166331, 211694, 332662, 468751, 937502, 1164317, 2328634, 3281257, 5156261, 6562514, 10312522, 36093827, 72187654]

約数ペア:

[(1, 72187654), (2, 36093827), (7, 10312522), (11, 6562514), (14, 5156261), (22, 3281257), (31, 2328634), (62, 1164317), (77, 937502), (154, 468751), (217, 332662), (341, 211694), (434, 166331), (682, 105847), (2387, 30242), (4774, 15121)]