81219292

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{7127}}^1$

素因数の和:7186

約数の個数: 48

約数和(自身を含む): 182020608

約数和(自身を除く): 100801316

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 44, 74, 77, 148, 154, 259, 308, 407, 518, 814, 1036, 1628, 2849, 5698, 7127, 11396, 14254, 28508, 49889, 78397, 99778, 156794, 199556, 263699, 313588, 527398, 548779, 1054796, 1097558, 1845893, 2195116, 2900689, 3691786, 5801378, 7383572, 11602756, 20304823, 40609646, 81219292]

約数ペア:

[(1, 81219292), (2, 40609646), (4, 20304823), (7, 11602756), (11, 7383572), (14, 5801378), (22, 3691786), (28, 2900689), (37, 2195116), (44, 1845893), (74, 1097558), (77, 1054796), (148, 548779), (154, 527398), (259, 313588), (308, 263699), (407, 199556), (518, 156794), (814, 99778), (1036, 78397), (1628, 49889), (2849, 28508), (5698, 14254), (7127, 11396)]