28387375

素因数分解:

$5^3\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:276

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 9352145

約数列:

[1, 5, 25, 29, 41, 125, 145, 191, 205, 725, 955, 1025, 1189, 3625, 4775, 5125, 5539, 5945, 7831, 23875, 27695, 29725, 39155, 138475, 148625, 195775, 227099, 692375, 978875, 1135495, 5677475, 28387375]

約数ペア:

[(1, 28387375), (5, 5677475), (25, 1135495), (29, 978875), (41, 692375), (125, 227099), (145, 195775), (191, 148625), (205, 138475), (725, 39155), (955, 29725), (1025, 27695), (1189, 23875), (3625, 7831), (4775, 5945), (5125, 5539)]