81131694

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{4723}}^1$

素因数の和:5144

約数の個数: 32

約数和(自身を含む): 185936640

約数和(自身を除く): 104804946

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 409, 818, 1227, 2454, 2863, 4723, 5726, 8589, 9446, 14169, 17178, 28338, 33061, 66122, 99183, 198366, 1931707, 3863414, 5795121, 11590242, 13521949, 27043898, 40565847, 81131694]

約数ペア:

[(1, 81131694), (2, 40565847), (3, 27043898), (6, 13521949), (7, 11590242), (14, 5795121), (21, 3863414), (42, 1931707), (409, 198366), (818, 99183), (1227, 66122), (2454, 33061), (2863, 28338), (4723, 17178), (5726, 14169), (8589, 9446)]