81839212

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{32119}}^1$

素因数の和:32150

約数の個数: 36

約数和(自身を含む): 179422320

約数和(自身を除く): 97583108

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 32119, 64238, 128476, 224833, 417547, 449666, 835094, 899332, 1573831, 1670188, 2922829, 3147662, 5845658, 6295324, 11691316, 20459803, 40919606, 81839212]

約数ペア:

[(1, 81839212), (2, 40919606), (4, 20459803), (7, 11691316), (13, 6295324), (14, 5845658), (26, 3147662), (28, 2922829), (49, 1670188), (52, 1573831), (91, 899332), (98, 835094), (182, 449666), (196, 417547), (364, 224833), (637, 128476), (1274, 64238), (2548, 32119)]