1998674678

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{16921}}^1$

素因数の和:17013

約数の個数: 64

約数和(自身を含む): 4093770240

約数和(自身を除く): 2095095562

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 59, 77, 91, 118, 143, 154, 182, 286, 413, 649, 767, 826, 1001, 1298, 1534, 2002, 4543, 5369, 8437, 9086, 10738, 16874, 16921, 33842, 59059, 118118, 118447, 186131, 219973, 236894, 372262, 439946, 998339, 1302917, 1539811, 1996678, 2419703, 2605834, 3079622, 4839406, 6988373, 10981729, 12978407, 13976746, 16937921, 21963458, 25956814, 33875842, 76872103, 90848849, 142762477, 153744206, 181697698, 285524954, 999337339, 1998674678]

約数ペア:

[(1, 1998674678), (2, 999337339), (7, 285524954), (11, 181697698), (13, 153744206), (14, 142762477), (22, 90848849), (26, 76872103), (59, 33875842), (77, 25956814), (91, 21963458), (118, 16937921), (143, 13976746), (154, 12978407), (182, 10981729), (286, 6988373), (413, 4839406), (649, 3079622), (767, 2605834), (826, 2419703), (1001, 1996678), (1298, 1539811), (1534, 1302917), (2002, 998339), (4543, 439946), (5369, 372262), (8437, 236894), (9086, 219973), (10738, 186131), (16874, 118447), (16921, 118118), (33842, 59059)]