128565965

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 172730880

約数和(自身を除く): 44164915

約数列:

[1, 5, 11, 55, 67, 139, 251, 335, 695, 737, 1255, 1529, 2761, 3685, 7645, 9313, 13805, 16817, 34889, 46565, 84085, 102443, 174445, 184987, 383779, 512215, 924935, 1918895, 2337563, 11687815, 25713193, 128565965]

約数ペア:

[(1, 128565965), (5, 25713193), (11, 11687815), (55, 2337563), (67, 1918895), (139, 924935), (251, 512215), (335, 383779), (695, 184987), (737, 174445), (1255, 102443), (1529, 84085), (2761, 46565), (3685, 34889), (7645, 16817), (9313, 13805)]