87645271

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2003}}^1$

素因数の和:2083

約数の個数: 24

約数和(自身を含む): 109658880

約数和(自身を除く): 22013609

約数列:

[1, 7, 19, 47, 49, 133, 329, 893, 931, 2003, 2303, 6251, 14021, 38057, 43757, 94141, 98147, 266399, 658987, 1788679, 1864793, 4612909, 12520753, 87645271]

約数ペア:

[(1, 87645271), (7, 12520753), (19, 4612909), (47, 1864793), (49, 1788679), (133, 658987), (329, 266399), (893, 98147), (931, 94141), (2003, 43757), (2303, 38057), (6251, 14021)]