81840038

素因数分解:

$2^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{39233}}^1$

素因数の和:39391

約数の個数: 16

約数和(自身を含む): 141242400

約数和(自身を除く): 59402362

約数列:

[1, 2, 7, 14, 149, 298, 1043, 2086, 39233, 78466, 274631, 549262, 5845717, 11691434, 40920019, 81840038]

約数ペア:

[(1, 81840038), (2, 40920019), (7, 11691434), (14, 5845717), (149, 549262), (298, 274631), (1043, 78466), (2086, 39233)]