28355075

素因数分解:

$5^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:396

約数の個数: 36

約数和(自身を含む): 41559840

約数和(自身を除く): 13204765

約数列:

[1, 5, 7, 25, 35, 49, 79, 175, 245, 293, 395, 553, 1225, 1465, 1975, 2051, 2765, 3871, 7325, 10255, 13825, 14357, 19355, 23147, 51275, 71785, 96775, 115735, 162029, 358925, 578675, 810145, 1134203, 4050725, 5671015, 28355075]

約数ペア:

[(1, 28355075), (5, 5671015), (7, 4050725), (25, 1134203), (35, 810145), (49, 578675), (79, 358925), (175, 162029), (245, 115735), (293, 96775), (395, 71785), (553, 51275), (1225, 23147), (1465, 19355), (1975, 14357), (2051, 13825), (2765, 10255), (3871, 7325)]