28480025

素因数分解:

$5^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{347}}^1$

素因数の和:438

約数の個数: 36

約数和(自身を含む): 41814288

約数和(自身を除く): 13334263

約数列:

[1, 5, 7, 25, 35, 49, 67, 175, 245, 335, 347, 469, 1225, 1675, 1735, 2345, 2429, 3283, 8675, 11725, 12145, 16415, 17003, 23249, 60725, 82075, 85015, 116245, 162743, 425075, 581225, 813715, 1139201, 4068575, 5696005, 28480025]

約数ペア:

[(1, 28480025), (5, 5696005), (7, 4068575), (25, 1139201), (35, 813715), (49, 581225), (67, 425075), (175, 162743), (245, 116245), (335, 85015), (347, 82075), (469, 60725), (1225, 23249), (1675, 17003), (1735, 16415), (2345, 12145), (2429, 11725), (3283, 8675)]