66161690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{2153}}^1$

素因数の和:2606

約数の個数: 32

約数和(自身を含む): 136477440

約数和(自身を除く): 70315750

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 439, 878, 2153, 2195, 3073, 4306, 4390, 6146, 10765, 15071, 15365, 21530, 30142, 30730, 75355, 150710, 945167, 1890334, 4725835, 6616169, 9451670, 13232338, 33080845, 66161690]

約数ペア:

[(1, 66161690), (2, 33080845), (5, 13232338), (7, 9451670), (10, 6616169), (14, 4725835), (35, 1890334), (70, 945167), (439, 150710), (878, 75355), (2153, 30730), (2195, 30142), (3073, 21530), (4306, 15365), (4390, 15071), (6146, 10765)]