263387375

素因数分解:

$5^3\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{317}}^1$

素因数の和:389

約数の個数: 48

約数和(自身を含む): 365511744

約数和(自身を除く): 102124369

約数列:

[1, 5, 17, 23, 25, 85, 115, 125, 289, 317, 391, 425, 575, 1445, 1585, 1955, 2125, 2875, 5389, 6647, 7225, 7291, 7925, 9775, 26945, 33235, 36125, 36455, 39625, 48875, 91613, 123947, 134725, 166175, 182275, 458065, 619735, 673625, 830875, 911375, 2107099, 2290325, 3098675, 10535495, 11451625, 15493375, 52677475, 263387375]

約数ペア:

[(1, 263387375), (5, 52677475), (17, 15493375), (23, 11451625), (25, 10535495), (85, 3098675), (115, 2290325), (125, 2107099), (289, 911375), (317, 830875), (391, 673625), (425, 619735), (575, 458065), (1445, 182275), (1585, 166175), (1955, 134725), (2125, 123947), (2875, 91613), (5389, 48875), (6647, 39625), (7225, 36455), (7291, 36125), (7925, 33235), (9775, 26945)]