661957250

素因数分解:

$2^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{115123}}^1$

素因数の和:115163

約数の個数: 32

約数和(自身を含む): 1293072768

約数和(自身を除く): 631115518

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 125, 230, 250, 575, 1150, 2875, 5750, 115123, 230246, 575615, 1151230, 2647829, 2878075, 5295658, 5756150, 13239145, 14390375, 26478290, 28780750, 66195725, 132391450, 330978625, 661957250]

約数ペア:

[(1, 661957250), (2, 330978625), (5, 132391450), (10, 66195725), (23, 28780750), (25, 26478290), (46, 14390375), (50, 13239145), (115, 5756150), (125, 5295658), (230, 2878075), (250, 2647829), (575, 1151230), (1150, 575615), (2875, 230246), (5750, 115123)]