81813164

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{16067}}^1$

素因数の和:16157

約数の個数: 24

約数和(自身を含む): 152967360

約数和(自身を除く): 71154196

約数列:

[1, 2, 4, 19, 38, 67, 76, 134, 268, 1273, 2546, 5092, 16067, 32134, 64268, 305273, 610546, 1076489, 1221092, 2152978, 4305956, 20453291, 40906582, 81813164]

約数ペア:

[(1, 81813164), (2, 40906582), (4, 20453291), (19, 4305956), (38, 2152978), (67, 1221092), (76, 1076489), (134, 610546), (268, 305273), (1273, 64268), (2546, 32134), (5092, 16067)]