388639146

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{196879}}^1$

素因数の和:196938

約数の個数: 32

約数和(自身を含む): 907223040

約数和(自身を除く): 518583894

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 141, 282, 329, 658, 987, 1974, 196879, 393758, 590637, 1181274, 1378153, 2756306, 4134459, 8268918, 9253313, 18506626, 27759939, 55519878, 64773191, 129546382, 194319573, 388639146]

約数ペア:

[(1, 388639146), (2, 194319573), (3, 129546382), (6, 64773191), (7, 55519878), (14, 27759939), (21, 18506626), (42, 9253313), (47, 8268918), (94, 4134459), (141, 2756306), (282, 1378153), (329, 1181274), (658, 590637), (987, 393758), (1974, 196879)]