81470402

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{22543}}^1$

素因数の和:22697

約数の個数: 16

約数和(自身を含む): 132558720

約数和(自身を除く): 51088318

約数列:

[1, 2, 13, 26, 139, 278, 1807, 3614, 22543, 45086, 293059, 586118, 3133477, 6266954, 40735201, 81470402]

約数ペア:

[(1, 81470402), (2, 40735201), (13, 6266954), (26, 3133477), (139, 586118), (278, 293059), (1807, 45086), (3614, 22543)]