78205325

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:386

約数の個数: 36

約数和(自身を含む): 108055584

約数和(自身を除く): 29850259

約数列:

[1, 5, 11, 25, 55, 103, 121, 251, 275, 515, 605, 1133, 1255, 2575, 2761, 3025, 5665, 6275, 12463, 13805, 25853, 28325, 30371, 62315, 69025, 129265, 151855, 284383, 311575, 646325, 759275, 1421915, 3128213, 7109575, 15641065, 78205325]

約数ペア:

[(1, 78205325), (5, 15641065), (11, 7109575), (25, 3128213), (55, 1421915), (103, 759275), (121, 646325), (251, 311575), (275, 284383), (515, 151855), (605, 129265), (1133, 69025), (1255, 62315), (2575, 30371), (2761, 28325), (3025, 25853), (5665, 13805), (6275, 12463)]