90007775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1481}}^1$

素因数の和:1532

約数の個数: 48

約数和(自身を含む): 138928608

約数和(自身を除く): 48920833

約数列:

[1, 5, 11, 13, 17, 25, 55, 65, 85, 143, 187, 221, 275, 325, 425, 715, 935, 1105, 1481, 2431, 3575, 4675, 5525, 7405, 12155, 16291, 19253, 25177, 37025, 60775, 81455, 96265, 125885, 211783, 276947, 327301, 407275, 481325, 629425, 1058915, 1384735, 1636505, 3600311, 5294575, 6923675, 8182525, 18001555, 90007775]

約数ペア:

[(1, 90007775), (5, 18001555), (11, 8182525), (13, 6923675), (17, 5294575), (25, 3600311), (55, 1636505), (65, 1384735), (85, 1058915), (143, 629425), (187, 481325), (221, 407275), (275, 327301), (325, 276947), (425, 211783), (715, 125885), (935, 96265), (1105, 81455), (1481, 60775), (2431, 37025), (3575, 25177), (4675, 19253), (5525, 16291), (7405, 12155)]