131406590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{81619}}^1$

素因数の和:81656

約数の個数: 32

約数和(自身を含む): 282078720

約数和(自身を除く): 150672130

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 81619, 163238, 408095, 571333, 816190, 1142666, 1877237, 2856665, 3754474, 5713330, 9386185, 13140659, 18772370, 26281318, 65703295, 131406590]

約数ペア:

[(1, 131406590), (2, 65703295), (5, 26281318), (7, 18772370), (10, 13140659), (14, 9386185), (23, 5713330), (35, 3754474), (46, 2856665), (70, 1877237), (115, 1142666), (161, 816190), (230, 571333), (322, 408095), (805, 163238), (1610, 81619)]