78897255

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 141834240

約数和(自身を除く): 62936985

約数列:

[1, 3, 5, 15, 17, 29, 47, 51, 85, 87, 141, 145, 227, 235, 255, 435, 493, 681, 705, 799, 1135, 1363, 1479, 2397, 2465, 3405, 3859, 3995, 4089, 6583, 6815, 7395, 10669, 11577, 11985, 19295, 19749, 20445, 23171, 32007, 32915, 53345, 57885, 69513, 98745, 111911, 115855, 160035, 181373, 309401, 335733, 347565, 544119, 559555, 906865, 928203, 1547005, 1678665, 2720595, 4641015, 5259817, 15779451, 26299085, 78897255]

約数ペア:

[(1, 78897255), (3, 26299085), (5, 15779451), (15, 5259817), (17, 4641015), (29, 2720595), (47, 1678665), (51, 1547005), (85, 928203), (87, 906865), (141, 559555), (145, 544119), (227, 347565), (235, 335733), (255, 309401), (435, 181373), (493, 160035), (681, 115855), (705, 111911), (799, 98745), (1135, 69513), (1363, 57885), (1479, 53345), (2397, 32915), (2465, 32007), (3405, 23171), (3859, 20445), (3995, 19749), (4089, 19295), (6583, 11985), (6815, 11577), (7395, 10669)]