128331214

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{1997}}^1$

素因数の和:2160

約数の個数: 32

約数和(自身を含む): 220962816

約数和(自身を除く): 92631602

約数列:

[1, 2, 11, 22, 23, 46, 127, 253, 254, 506, 1397, 1997, 2794, 2921, 3994, 5842, 21967, 32131, 43934, 45931, 64262, 91862, 253619, 505241, 507238, 1010482, 2789809, 5579618, 5833237, 11666474, 64165607, 128331214]

約数ペア:

[(1, 128331214), (2, 64165607), (11, 11666474), (22, 5833237), (23, 5579618), (46, 2789809), (127, 1010482), (253, 507238), (254, 505241), (506, 253619), (1397, 91862), (1997, 64262), (2794, 45931), (2921, 43934), (3994, 32131), (5842, 21967)]