397493452

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{227399}}^1$

素因数の和:227445

約数の個数: 24

約数和(自身を含む): 764064000

約数和(自身を除く): 366570548

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 437, 874, 1748, 227399, 454798, 909596, 4320581, 5230177, 8641162, 10460354, 17282324, 20920708, 99373363, 198746726, 397493452]

約数ペア:

[(1, 397493452), (2, 198746726), (4, 99373363), (19, 20920708), (23, 17282324), (38, 10460354), (46, 8641162), (76, 5230177), (92, 4320581), (437, 909596), (874, 454798), (1748, 227399)]