81697217564

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{4460429}}^1$

素因数の和:4460693

約数の個数: 24

約数和(自身を含む): 151119368400

約数和(自身を除く): 69422150836

約数列:

[1, 2, 4, 19, 38, 76, 241, 482, 964, 4579, 9158, 18316, 4460429, 8920858, 17841716, 84748151, 169496302, 338992604, 1074963389, 2149926778, 4299853556, 20424304391, 40848608782, 81697217564]

約数ペア:

[(1, 81697217564), (2, 40848608782), (4, 20424304391), (19, 4299853556), (38, 2149926778), (76, 1074963389), (241, 338992604), (482, 169496302), (964, 84748151), (4579, 17841716), (9158, 8920858), (18316, 4460429)]