81485414

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{15427}}^1$

素因数の和:15587

約数の個数: 16

約数和(自身を含む): 129595200

約数和(自身を除く): 48109786

約数列:

[1, 2, 19, 38, 139, 278, 2641, 5282, 15427, 30854, 293113, 586226, 2144353, 4288706, 40742707, 81485414]

約数ペア:

[(1, 81485414), (2, 40742707), (19, 4288706), (38, 2144353), (139, 586226), (278, 293113), (2641, 30854), (5282, 15427)]