491145193

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{17669}}^1$

素因数の和:17725

約数の個数: 24

約数和(自身を含む): 646297920

約数和(自身を除く): 155152727

約数列:

[1, 7, 11, 19, 77, 133, 209, 361, 1463, 2527, 3971, 17669, 27797, 123683, 194359, 335711, 1360513, 2349977, 3692821, 6378509, 25849747, 44649563, 70163599, 491145193]

約数ペア:

[(1, 491145193), (7, 70163599), (11, 44649563), (19, 25849747), (77, 6378509), (133, 3692821), (209, 2349977), (361, 1360513), (1463, 335711), (2527, 194359), (3971, 123683), (17669, 27797)]