28782061

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{797}}^1$

素因数の和:889

約数の個数: 24

約数和(自身を含む): 37116576

約数和(自身を除く): 8334515

約数列:

[1, 7, 11, 49, 67, 77, 469, 539, 737, 797, 3283, 5159, 5579, 8767, 36113, 39053, 53399, 61369, 373793, 429583, 587389, 2616551, 4111723, 28782061]

約数ペア:

[(1, 28782061), (7, 4111723), (11, 2616551), (49, 587389), (67, 429583), (77, 373793), (469, 61369), (539, 53399), (737, 39053), (797, 36113), (3283, 8767), (5159, 5579)]