81177464

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{367}}^1\times {\mathrm{643}}^1$

素因数の和:1059

約数の個数: 32

約数和(自身を含む): 156414720

約数和(自身を除く): 75237256

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 367, 643, 734, 1286, 1468, 2572, 2936, 5144, 15781, 27649, 31562, 55298, 63124, 110596, 126248, 221192, 235981, 471962, 943924, 1887848, 10147183, 20294366, 40588732, 81177464]

約数ペア:

[(1, 81177464), (2, 40588732), (4, 20294366), (8, 10147183), (43, 1887848), (86, 943924), (172, 471962), (344, 235981), (367, 221192), (643, 126248), (734, 110596), (1286, 63124), (1468, 55298), (2572, 31562), (2936, 27649), (5144, 15781)]