28633325

素因数分解:

$5^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1249}}^1$

素因数の和:1397

約数の個数: 24

約数和(自身を含む): 40920000

約数和(自身を除く): 12286675

約数列:

[1, 5, 7, 25, 35, 131, 175, 655, 917, 1249, 3275, 4585, 6245, 8743, 22925, 31225, 43715, 163619, 218575, 818095, 1145333, 4090475, 5726665, 28633325]

約数ペア:

[(1, 28633325), (5, 5726665), (7, 4090475), (25, 1145333), (35, 818095), (131, 218575), (175, 163619), (655, 43715), (917, 31225), (1249, 22925), (3275, 8743), (4585, 6245)]