81884278

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{254299}}^1$

素因数の和:254331

約数の個数: 16

約数和(自身を含む): 146476800

約数和(自身を除く): 64592522

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 254299, 508598, 1780093, 3560186, 5848877, 11697754, 40942139, 81884278]

約数ペア:

[(1, 81884278), (2, 40942139), (7, 11697754), (14, 5848877), (23, 3560186), (46, 1780093), (161, 508598), (322, 254299)]