2591225

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:114

約数の個数: 48

約数和(自身を含む): 4249728

約数和(自身を除く): 1658503

約数列:

[1, 5, 7, 13, 17, 25, 35, 65, 67, 85, 91, 119, 175, 221, 325, 335, 425, 455, 469, 595, 871, 1105, 1139, 1547, 1675, 2275, 2345, 2975, 4355, 5525, 5695, 6097, 7735, 7973, 11725, 14807, 21775, 28475, 30485, 38675, 39865, 74035, 103649, 152425, 199325, 370175, 518245, 2591225]

約数ペア:

[(1, 2591225), (5, 518245), (7, 370175), (13, 199325), (17, 152425), (25, 103649), (35, 74035), (65, 39865), (67, 38675), (85, 30485), (91, 28475), (119, 21775), (175, 14807), (221, 11725), (325, 7973), (335, 7735), (425, 6097), (455, 5695), (469, 5525), (595, 4355), (871, 2975), (1105, 2345), (1139, 2275), (1547, 1675)]