728876225

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{54091}}^1$

素因数の和:54126

約数の個数: 36

約数和(自身を含む): 1146966768

約数和(自身を除く): 418090543

約数列:

[1, 5, 7, 11, 25, 35, 49, 55, 77, 175, 245, 275, 385, 539, 1225, 1925, 2695, 13475, 54091, 270455, 378637, 595001, 1352275, 1893185, 2650459, 2975005, 4165007, 9465925, 13252295, 14875025, 20825035, 29155049, 66261475, 104125175, 145775245, 728876225]

約数ペア:

[(1, 728876225), (5, 145775245), (7, 104125175), (11, 66261475), (25, 29155049), (35, 20825035), (49, 14875025), (55, 13252295), (77, 9465925), (175, 4165007), (245, 2975005), (275, 2650459), (385, 1893185), (539, 1352275), (1225, 595001), (1925, 378637), (2695, 270455), (13475, 54091)]