81229790

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{353173}}^1$

素因数の和:353203

約数の個数: 16

約数和(自身を含む): 152571168

約数和(自身を除く): 71341378

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 353173, 706346, 1765865, 3531730, 8122979, 16245958, 40614895, 81229790]

約数ペア:

[(1, 81229790), (2, 40614895), (5, 16245958), (10, 8122979), (23, 3531730), (46, 1765865), (115, 706346), (230, 353173)]