81428424

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{317}}^1$

素因数の和:483

約数の個数: 128

約数和(自身を含む): 256435200

約数和(自身を除く): 175006776

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 132, 139, 154, 168, 231, 264, 278, 308, 317, 417, 462, 556, 616, 634, 834, 924, 951, 973, 1112, 1268, 1529, 1668, 1848, 1902, 1946, 2219, 2536, 2919, 3058, 3336, 3487, 3804, 3892, 4438, 4587, 5838, 6116, 6657, 6974, 7608, 7784, 8876, 9174, 10461, 10703, 11676, 12232, 13314, 13948, 17752, 18348, 20922, 21406, 23352, 24409, 26628, 27896, 32109, 36696, 41844, 42812, 44063, 48818, 53256, 64218, 73227, 83688, 85624, 88126, 97636, 128436, 132189, 146454, 176252, 195272, 256872, 264378, 292908, 308441, 352504, 484693, 528756, 585816, 616882, 925323, 969386, 1057512, 1233764, 1454079, 1850646, 1938772, 2467528, 2908158, 3392851, 3701292, 3877544, 5816316, 6785702, 7402584, 10178553, 11632632, 13571404, 20357106, 27142808, 40714212, 81428424]

約数ペア:

[(1, 81428424), (2, 40714212), (3, 27142808), (4, 20357106), (6, 13571404), (7, 11632632), (8, 10178553), (11, 7402584), (12, 6785702), (14, 5816316), (21, 3877544), (22, 3701292), (24, 3392851), (28, 2908158), (33, 2467528), (42, 1938772), (44, 1850646), (56, 1454079), (66, 1233764), (77, 1057512), (84, 969386), (88, 925323), (132, 616882), (139, 585816), (154, 528756), (168, 484693), (231, 352504), (264, 308441), (278, 292908), (308, 264378), (317, 256872), (417, 195272), (462, 176252), (556, 146454), (616, 132189), (634, 128436), (834, 97636), (924, 88126), (951, 85624), (973, 83688), (1112, 73227), (1268, 64218), (1529, 53256), (1668, 48818), (1848, 44063), (1902, 42812), (1946, 41844), (2219, 36696), (2536, 32109), (2919, 27896), (3058, 26628), (3336, 24409), (3487, 23352), (3804, 21406), (3892, 20922), (4438, 18348), (4587, 17752), (5838, 13948), (6116, 13314), (6657, 12232), (6974, 11676), (7608, 10703), (7784, 10461), (8876, 9174)]