25731986

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{509}}^1$

素因数の和:698

約数の個数: 32

約数和(自身を含む): 46414080

約数和(自身を除く): 20682094

約数列:

[1, 2, 7, 14, 23, 46, 157, 161, 314, 322, 509, 1018, 1099, 2198, 3563, 3611, 7126, 7222, 11707, 23414, 25277, 50554, 79913, 81949, 159826, 163898, 559391, 1118782, 1837999, 3675998, 12865993, 25731986]

約数ペア:

[(1, 25731986), (2, 12865993), (7, 3675998), (14, 1837999), (23, 1118782), (46, 559391), (157, 163898), (161, 159826), (314, 81949), (322, 79913), (509, 50554), (1018, 25277), (1099, 23414), (2198, 11707), (3563, 7222), (3611, 7126)]