208998218

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2143}}^1$

素因数の和:2211

約数の個数: 48

約数和(自身を含む): 383244288

約数和(自身を除く): 174246070

約数列:

[1, 2, 11, 13, 22, 26, 31, 62, 121, 143, 242, 286, 341, 403, 682, 806, 1573, 2143, 3146, 3751, 4286, 4433, 7502, 8866, 23573, 27859, 47146, 48763, 55718, 66433, 97526, 132866, 259303, 306449, 518606, 612898, 730763, 863629, 1461526, 1727258, 3370939, 6741878, 8038393, 9499919, 16076786, 18999838, 104499109, 208998218]

約数ペア:

[(1, 208998218), (2, 104499109), (11, 18999838), (13, 16076786), (22, 9499919), (26, 8038393), (31, 6741878), (62, 3370939), (121, 1727258), (143, 1461526), (242, 863629), (286, 730763), (341, 612898), (403, 518606), (682, 306449), (806, 259303), (1573, 132866), (2143, 97526), (3146, 66433), (3751, 55718), (4286, 48763), (4433, 47146), (7502, 27859), (8866, 23573)]