87881156

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3391}}^1$

素因数の和:3456

約数の個数: 48

約数和(自身を含む): 182353920

約数和(自身を除く): 94472764

約数列:

[1, 2, 4, 11, 19, 22, 31, 38, 44, 62, 76, 124, 209, 341, 418, 589, 682, 836, 1178, 1364, 2356, 3391, 6479, 6782, 12958, 13564, 25916, 37301, 64429, 74602, 105121, 128858, 149204, 210242, 257716, 420484, 708719, 1156331, 1417438, 1997299, 2312662, 2834876, 3994598, 4625324, 7989196, 21970289, 43940578, 87881156]

約数ペア:

[(1, 87881156), (2, 43940578), (4, 21970289), (11, 7989196), (19, 4625324), (22, 3994598), (31, 2834876), (38, 2312662), (44, 1997299), (62, 1417438), (76, 1156331), (124, 708719), (209, 420484), (341, 257716), (418, 210242), (589, 149204), (682, 128858), (836, 105121), (1178, 74602), (1364, 64429), (2356, 37301), (3391, 25916), (6479, 13564), (6782, 12958)]