81639396

素因数分解:

$2^2\times 3^2\times {\mathrm{137}}^1\times {\mathrm{16553}}^1$

素因数の和:16700

約数の個数: 36

約数和(自身を含む): 207885132

約数和(自身を除く): 126245736

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 137, 274, 411, 548, 822, 1233, 1644, 2466, 4932, 16553, 33106, 49659, 66212, 99318, 148977, 198636, 297954, 595908, 2267761, 4535522, 6803283, 9071044, 13606566, 20409849, 27213132, 40819698, 81639396]

約数ペア:

[(1, 81639396), (2, 40819698), (3, 27213132), (4, 20409849), (6, 13606566), (9, 9071044), (12, 6803283), (18, 4535522), (36, 2267761), (137, 595908), (274, 297954), (411, 198636), (548, 148977), (822, 99318), (1233, 66212), (1644, 49659), (2466, 33106), (4932, 16553)]