78445395

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:314

約数の個数: 128

約数和(自身を含む): 178329600

約数和(自身を除く): 99884205

約数列:

[1, 3, 5, 7, 9, 15, 17, 19, 21, 27, 35, 45, 51, 57, 63, 85, 95, 105, 119, 133, 135, 153, 171, 189, 255, 257, 285, 315, 323, 357, 399, 459, 513, 595, 665, 765, 771, 855, 945, 969, 1071, 1197, 1285, 1615, 1785, 1799, 1995, 2261, 2295, 2313, 2565, 2907, 3213, 3591, 3855, 4369, 4845, 4883, 5355, 5397, 5985, 6783, 6939, 8721, 8995, 11305, 11565, 13107, 14535, 14649, 16065, 16191, 17955, 20349, 21845, 24415, 26985, 30583, 33915, 34181, 34695, 39321, 43605, 43947, 48573, 61047, 65535, 73245, 80955, 83011, 91749, 101745, 102543, 117963, 131841, 152915, 170905, 196605, 219735, 242865, 249033, 275247, 305235, 307629, 415055, 458745, 512715, 581077, 589815, 659205, 747099, 825741, 922887, 1245165, 1376235, 1538145, 1743231, 2241297, 2905385, 3735495, 4128705, 4614435, 5229693, 8716155, 11206485, 15689079, 26148465, 78445395]

約数ペア:

[(1, 78445395), (3, 26148465), (5, 15689079), (7, 11206485), (9, 8716155), (15, 5229693), (17, 4614435), (19, 4128705), (21, 3735495), (27, 2905385), (35, 2241297), (45, 1743231), (51, 1538145), (57, 1376235), (63, 1245165), (85, 922887), (95, 825741), (105, 747099), (119, 659205), (133, 589815), (135, 581077), (153, 512715), (171, 458745), (189, 415055), (255, 307629), (257, 305235), (285, 275247), (315, 249033), (323, 242865), (357, 219735), (399, 196605), (459, 170905), (513, 152915), (595, 131841), (665, 117963), (765, 102543), (771, 101745), (855, 91749), (945, 83011), (969, 80955), (1071, 73245), (1197, 65535), (1285, 61047), (1615, 48573), (1785, 43947), (1799, 43605), (1995, 39321), (2261, 34695), (2295, 34181), (2313, 33915), (2565, 30583), (2907, 26985), (3213, 24415), (3591, 21845), (3855, 20349), (4369, 17955), (4845, 16191), (4883, 16065), (5355, 14649), (5397, 14535), (5985, 13107), (6783, 11565), (6939, 11305), (8721, 8995)]