208839605

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{74719}}^1$

素因数の和:74780

約数の個数: 16

約数和(自身を含む): 276165120

約数和(自身を除く): 67325515

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 74719, 373595, 971347, 3212917, 4856735, 16064585, 41767921, 208839605]

約数ペア:

[(1, 208839605), (5, 41767921), (13, 16064585), (43, 4856735), (65, 3212917), (215, 971347), (559, 373595), (2795, 74719)]