128459738

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{1999}}^1$

素因数の和:2162

約数の個数: 32

約数和(自身を含む): 221184000

約数和(自身を除く): 92724262

約数列:

[1, 2, 11, 22, 23, 46, 127, 253, 254, 506, 1397, 1999, 2794, 2921, 3998, 5842, 21989, 32131, 43978, 45977, 64262, 91954, 253873, 505747, 507746, 1011494, 2792603, 5585206, 5839079, 11678158, 64229869, 128459738]

約数ペア:

[(1, 128459738), (2, 64229869), (11, 11678158), (22, 5839079), (23, 5585206), (46, 2792603), (127, 1011494), (253, 507746), (254, 505747), (506, 253873), (1397, 91954), (1999, 64262), (2794, 45977), (2921, 43978), (3998, 32131), (5842, 21989)]