81720302

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1\times {\mathrm{3407}}^1$

素因数の和:3655

約数の個数: 16

約数和(自身を含む): 125141760

約数和(自身を除く): 43421458

約数列:

[1, 2, 67, 134, 179, 358, 3407, 6814, 11993, 23986, 228269, 456538, 609853, 1219706, 40860151, 81720302]

約数ペア:

[(1, 81720302), (2, 40860151), (67, 1219706), (134, 609853), (179, 456538), (358, 228269), (3407, 23986), (6814, 11993)]