551990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{191}}^1$

素因数の和:232

約数の個数: 24

約数和(自身を含む): 1060992

約数和(自身を除く): 509002

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 191, 289, 382, 578, 955, 1445, 1910, 2890, 3247, 6494, 16235, 32470, 55199, 110398, 275995, 551990]

約数ペア:

[(1, 551990), (2, 275995), (5, 110398), (10, 55199), (17, 32470), (34, 16235), (85, 6494), (170, 3247), (191, 2890), (289, 1910), (382, 1445), (578, 955)]