128548679

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{701}}^1$

素因数の和:815

約数の個数: 32

約数和(自身を含む): 164975616

約数和(自身を除く): 36426937

約数列:

[1, 7, 17, 23, 67, 119, 161, 391, 469, 701, 1139, 1541, 2737, 4907, 7973, 10787, 11917, 16123, 26197, 46967, 83419, 112861, 183379, 274091, 328769, 798439, 1080241, 1918637, 5589073, 7561687, 18364097, 128548679]

約数ペア:

[(1, 128548679), (7, 18364097), (17, 7561687), (23, 5589073), (67, 1918637), (119, 1080241), (161, 798439), (391, 328769), (469, 274091), (701, 183379), (1139, 112861), (1541, 83419), (2737, 46967), (4907, 26197), (7973, 16123), (10787, 11917)]