28605790

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{449}}^1$

素因数の和:756

約数の個数: 32

約数和(自身を含む): 54043200

約数和(自身を除く): 25437410

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 277, 449, 554, 898, 1385, 2245, 2770, 4490, 6371, 10327, 12742, 20654, 31855, 51635, 63710, 103270, 124373, 248746, 621865, 1243730, 2860579, 5721158, 14302895, 28605790]

約数ペア:

[(1, 28605790), (2, 14302895), (5, 5721158), (10, 2860579), (23, 1243730), (46, 621865), (115, 248746), (230, 124373), (277, 103270), (449, 63710), (554, 51635), (898, 31855), (1385, 20654), (2245, 12742), (2770, 10327), (4490, 6371)]