81121726

素因数分解:

$2^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{32371}}^1$

素因数の和:32559

約数の個数: 16

約数和(自身を含む): 139847040

約数和(自身を除く): 58725314

約数列:

[1, 2, 7, 14, 179, 358, 1253, 2506, 32371, 64742, 226597, 453194, 5794409, 11588818, 40560863, 81121726]

約数ペア:

[(1, 81121726), (2, 40560863), (7, 11588818), (14, 5794409), (179, 453194), (358, 226597), (1253, 64742), (2506, 32371)]