85678490

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1\times {\mathrm{431}}^1$

素因数の和:734

約数の個数: 32

約数和(自身を含む): 156888576

約数和(自身を除く): 71210086

約数列:

[1, 2, 5, 10, 103, 193, 206, 386, 431, 515, 862, 965, 1030, 1930, 2155, 4310, 19879, 39758, 44393, 83183, 88786, 99395, 166366, 198790, 221965, 415915, 443930, 831830, 8567849, 17135698, 42839245, 85678490]

約数ペア:

[(1, 85678490), (2, 42839245), (5, 17135698), (10, 8567849), (103, 831830), (193, 443930), (206, 415915), (386, 221965), (431, 198790), (515, 166366), (862, 99395), (965, 88786), (1030, 83183), (1930, 44393), (2155, 39758), (4310, 19879)]