2179775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1$

素因数の和:395

約数の個数: 24

約数和(自身を含む): 3072720

約数和(自身を除く): 892945

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 353, 475, 1235, 1765, 4589, 6175, 6707, 8825, 22945, 33535, 87191, 114725, 167675, 435955, 2179775]

約数ペア:

[(1, 2179775), (5, 435955), (13, 167675), (19, 114725), (25, 87191), (65, 33535), (95, 22945), (247, 8825), (325, 6707), (353, 6175), (475, 4589), (1235, 1765)]