28655515

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1051}}^1$

素因数の和:1123

約数の個数: 32

約数和(自身を含む): 42416640

約数和(自身を除く): 13761125

約数列:

[1, 5, 7, 19, 35, 41, 95, 133, 205, 287, 665, 779, 1051, 1435, 3895, 5255, 5453, 7357, 19969, 27265, 36785, 43091, 99845, 139783, 215455, 301637, 698915, 818729, 1508185, 4093645, 5731103, 28655515]

約数ペア:

[(1, 28655515), (5, 5731103), (7, 4093645), (19, 1508185), (35, 818729), (41, 698915), (95, 301637), (133, 215455), (205, 139783), (287, 99845), (665, 43091), (779, 36785), (1051, 27265), (1435, 19969), (3895, 7357), (5255, 5453)]