628339990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1\times {\mathrm{4133}}^1$

素因数の和:4824

約数の個数: 32

約数和(自身を含む): 1182257856

約数和(自身を除く): 553917866

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 661, 1322, 3305, 4133, 6610, 8266, 15203, 20665, 30406, 41330, 76015, 95059, 152030, 190118, 475295, 950590, 2731913, 5463826, 13659565, 27319130, 62833999, 125667998, 314169995, 628339990]

約数ペア:

[(1, 628339990), (2, 314169995), (5, 125667998), (10, 62833999), (23, 27319130), (46, 13659565), (115, 5463826), (230, 2731913), (661, 950590), (1322, 475295), (3305, 190118), (4133, 152030), (6610, 95059), (8266, 76015), (15203, 41330), (20665, 30406)]