661834055

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{1373}}^1$

素因数の和:1555

約数の個数: 32

約数和(自身を含む): 865422144

約数和(自身を除く): 203588089

約数列:

[1, 5, 17, 53, 85, 107, 265, 535, 901, 1373, 1819, 4505, 5671, 6865, 9095, 23341, 28355, 72769, 96407, 116705, 146911, 363845, 482035, 734555, 1237073, 2497487, 6185365, 7786283, 12487435, 38931415, 132366811, 661834055]

約数ペア:

[(1, 661834055), (5, 132366811), (17, 38931415), (53, 12487435), (85, 7786283), (107, 6185365), (265, 2497487), (535, 1237073), (901, 734555), (1373, 482035), (1819, 363845), (4505, 146911), (5671, 116705), (6865, 96407), (9095, 72769), (23341, 28355)]