66997910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{5347}}^1$

素因数の和:5540

約数の個数: 32

約数和(自身を含む): 138620160

約数和(自身を除く): 71622250

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 179, 358, 895, 1253, 1790, 2506, 5347, 6265, 10694, 12530, 26735, 37429, 53470, 74858, 187145, 374290, 957113, 1914226, 4785565, 6699791, 9571130, 13399582, 33498955, 66997910]

約数ペア:

[(1, 66997910), (2, 33498955), (5, 13399582), (7, 9571130), (10, 6699791), (14, 4785565), (35, 1914226), (70, 957113), (179, 374290), (358, 187145), (895, 74858), (1253, 53470), (1790, 37429), (2506, 26735), (5347, 12530), (6265, 10694)]