16972375

素因数分解:

$5^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{163}}^1$

素因数の和:209

約数の個数: 48

約数和(自身を含む): 26249184

約数和(自身を除く): 9276809

約数列:

[1, 5, 7, 17, 25, 35, 49, 85, 119, 125, 163, 175, 245, 425, 595, 815, 833, 875, 1141, 1225, 2125, 2771, 2975, 4075, 4165, 5705, 6125, 7987, 13855, 14875, 19397, 20375, 20825, 28525, 39935, 69275, 96985, 104125, 135779, 142625, 199675, 346375, 484925, 678895, 998375, 2424625, 3394475, 16972375]

約数ペア:

[(1, 16972375), (5, 3394475), (7, 2424625), (17, 998375), (25, 678895), (35, 484925), (49, 346375), (85, 199675), (119, 142625), (125, 135779), (163, 104125), (175, 96985), (245, 69275), (425, 39935), (595, 28525), (815, 20825), (833, 20375), (875, 19397), (1141, 14875), (1225, 13855), (2125, 7987), (2771, 6125), (2975, 5705), (4075, 4165)]