78291885

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1907}}^1$

素因数の和:1962

約数の個数: 64

約数和(自身を含む): 158257152

約数和(自身を除く): 79965267

約数列:

[1, 3, 5, 7, 15, 17, 21, 23, 35, 51, 69, 85, 105, 115, 119, 161, 255, 345, 357, 391, 483, 595, 805, 1173, 1785, 1907, 1955, 2415, 2737, 5721, 5865, 8211, 9535, 13349, 13685, 28605, 32419, 40047, 41055, 43861, 66745, 97257, 131583, 162095, 200235, 219305, 226933, 307027, 486285, 657915, 680799, 745637, 921081, 1134665, 1535135, 2236911, 3403995, 3728185, 4605405, 5219459, 11184555, 15658377, 26097295, 78291885]

約数ペア:

[(1, 78291885), (3, 26097295), (5, 15658377), (7, 11184555), (15, 5219459), (17, 4605405), (21, 3728185), (23, 3403995), (35, 2236911), (51, 1535135), (69, 1134665), (85, 921081), (105, 745637), (115, 680799), (119, 657915), (161, 486285), (255, 307027), (345, 226933), (357, 219305), (391, 200235), (483, 162095), (595, 131583), (805, 97257), (1173, 66745), (1785, 43861), (1907, 41055), (1955, 40047), (2415, 32419), (2737, 28605), (5721, 13685), (5865, 13349), (8211, 9535)]