81187498

素因数分解:

$2^1\times 7^1\times {\mathrm{1249}}^1\times {\mathrm{4643}}^1$

素因数の和:5901

約数の個数: 16

約数和(自身を含む): 139320000

約数和(自身を除く): 58132502

約数列:

[1, 2, 7, 14, 1249, 2498, 4643, 8743, 9286, 17486, 32501, 65002, 5799107, 11598214, 40593749, 81187498]

約数ペア:

[(1, 81187498), (2, 40593749), (7, 11598214), (14, 5799107), (1249, 65002), (2498, 32501), (4643, 17486), (8743, 9286)]