278712718

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1\times {\mathrm{4451}}^1$

素因数の和:4823

約数の個数: 16

約数和(自身を含む): 423118080

約数和(自身を除く): 144405362

約数列:

[1, 2, 131, 239, 262, 478, 4451, 8902, 31309, 62618, 583081, 1063789, 1166162, 2127578, 139356359, 278712718]

約数ペア:

[(1, 278712718), (2, 139356359), (131, 2127578), (239, 1166162), (262, 1063789), (478, 583081), (4451, 62618), (8902, 31309)]