551162015

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{191}}^1\times {\mathrm{1997}}^1$

素因数の和:2227

約数の個数: 24

約数和(自身を含む): 706620672

約数和(自身を除く): 155458657

約数列:

[1, 5, 17, 85, 191, 289, 955, 1445, 1997, 3247, 9985, 16235, 33949, 55199, 169745, 275995, 381427, 577133, 1907135, 2885665, 6484259, 32421295, 110232403, 551162015]

約数ペア:

[(1, 551162015), (5, 110232403), (17, 32421295), (85, 6484259), (191, 2885665), (289, 1907135), (955, 577133), (1445, 381427), (1997, 275995), (3247, 169745), (9985, 55199), (16235, 33949)]