209162015

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{3701}}^1$

素因数の和:3922

約数の個数: 16

約数和(自身を含む): 255882240

約数和(自身を除く): 46720225

約数列:

[1, 5, 89, 127, 445, 635, 3701, 11303, 18505, 56515, 329389, 470027, 1646945, 2350135, 41832403, 209162015]

約数ペア:

[(1, 209162015), (5, 41832403), (89, 2350135), (127, 1646945), (445, 470027), (635, 329389), (3701, 56515), (11303, 18505)]