85909075

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{431}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 131134464

約数和(自身を除く): 45225389

約数列:

[1, 5, 7, 17, 25, 35, 67, 85, 119, 175, 335, 425, 431, 469, 595, 1139, 1675, 2155, 2345, 2975, 3017, 5695, 7327, 7973, 10775, 11725, 15085, 28475, 28877, 36635, 39865, 51289, 75425, 144385, 183175, 199325, 202139, 256445, 490909, 721925, 1010695, 1282225, 2454545, 3436363, 5053475, 12272725, 17181815, 85909075]

約数ペア:

[(1, 85909075), (5, 17181815), (7, 12272725), (17, 5053475), (25, 3436363), (35, 2454545), (67, 1282225), (85, 1010695), (119, 721925), (175, 490909), (335, 256445), (425, 202139), (431, 199325), (469, 183175), (595, 144385), (1139, 75425), (1675, 51289), (2155, 39865), (2345, 36635), (2975, 28877), (3017, 28475), (5695, 15085), (7327, 11725), (7973, 10775)]