28248715

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 39108096

約数和(自身を除く): 10859381

約数列:

[1, 5, 11, 23, 55, 115, 137, 163, 253, 685, 815, 1265, 1507, 1793, 3151, 3749, 7535, 8965, 15755, 18745, 22331, 34661, 41239, 111655, 173305, 206195, 245641, 513613, 1228205, 2568065, 5649743, 28248715]

約数ペア:

[(1, 28248715), (5, 5649743), (11, 2568065), (23, 1228205), (55, 513613), (115, 245641), (137, 206195), (163, 173305), (253, 111655), (685, 41239), (815, 34661), (1265, 22331), (1507, 18745), (1793, 15755), (3151, 8965), (3749, 7535)]