81286991

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{659}}^1$

素因数の和:886

約数の個数: 16

約数和(自身を含む): 88197120

約数和(自身を除く): 6910129

約数列:

[1, 23, 31, 173, 659, 713, 3979, 5363, 15157, 20429, 114007, 123349, 469867, 2622161, 3534217, 81286991]

約数ペア:

[(1, 81286991), (23, 3534217), (31, 2622161), (173, 469867), (659, 123349), (713, 114007), (3979, 20429), (5363, 15157)]