139420204

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{19681}}^1$

素因数の和:19726

約数の個数: 48

約数和(自身を含む): 317431296

約数和(自身を除く): 178011092

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 154, 161, 253, 308, 322, 506, 644, 1012, 1771, 3542, 7084, 19681, 39362, 78724, 137767, 216491, 275534, 432982, 452663, 551068, 865964, 905326, 1515437, 1810652, 3030874, 3168641, 4979293, 6061748, 6337282, 9958586, 12674564, 19917172, 34855051, 69710102, 139420204]

約数ペア:

[(1, 139420204), (2, 69710102), (4, 34855051), (7, 19917172), (11, 12674564), (14, 9958586), (22, 6337282), (23, 6061748), (28, 4979293), (44, 3168641), (46, 3030874), (77, 1810652), (92, 1515437), (154, 905326), (161, 865964), (253, 551068), (308, 452663), (322, 432982), (506, 275534), (644, 216491), (1012, 137767), (1771, 78724), (3542, 39362), (7084, 19681)]