218221528

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{53381}}^1$

素因数の和:53467

約数の個数: 32

約数和(自身を含む): 474032160

約数和(自身を除く): 255810632

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 146, 292, 511, 584, 1022, 2044, 4088, 53381, 106762, 213524, 373667, 427048, 747334, 1494668, 2989336, 3896813, 7793626, 15587252, 27277691, 31174504, 54555382, 109110764, 218221528]

約数ペア:

[(1, 218221528), (2, 109110764), (4, 54555382), (7, 31174504), (8, 27277691), (14, 15587252), (28, 7793626), (56, 3896813), (73, 2989336), (146, 1494668), (292, 747334), (511, 427048), (584, 373667), (1022, 213524), (2044, 106762), (4088, 53381)]