217123126

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:421

約数の個数: 48

約数和(自身を含む): 372697920

約数和(自身を除く): 155574794

約数列:

[1, 2, 11, 22, 41, 79, 82, 121, 158, 242, 277, 451, 554, 869, 902, 1738, 3047, 3239, 4961, 6094, 6478, 9559, 9922, 11357, 19118, 21883, 22714, 33517, 35629, 43766, 67034, 71258, 124927, 240713, 249854, 391919, 481426, 783838, 897203, 1374197, 1794406, 2647843, 2748394, 5295686, 9869233, 19738466, 108561563, 217123126]

約数ペア:

[(1, 217123126), (2, 108561563), (11, 19738466), (22, 9869233), (41, 5295686), (79, 2748394), (82, 2647843), (121, 1794406), (158, 1374197), (242, 897203), (277, 783838), (451, 481426), (554, 391919), (869, 249854), (902, 240713), (1738, 124927), (3047, 71258), (3239, 67034), (4961, 43766), (6094, 35629), (6478, 33517), (9559, 22714), (9922, 21883), (11357, 19118)]