28433538

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:181

約数の個数: 128

約数和(自身を含む): 78796800

約数和(自身を除く): 50363262

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 37, 38, 42, 54, 57, 63, 74, 107, 111, 114, 126, 133, 171, 189, 214, 222, 259, 266, 321, 333, 342, 378, 399, 513, 518, 642, 666, 703, 749, 777, 798, 963, 999, 1026, 1197, 1406, 1498, 1554, 1926, 1998, 2033, 2109, 2247, 2331, 2394, 2889, 3591, 3959, 4066, 4218, 4494, 4662, 4921, 5778, 6099, 6327, 6741, 6993, 7182, 7918, 9842, 11877, 12198, 12654, 13482, 13986, 14231, 14763, 18297, 18981, 20223, 23754, 27713, 28462, 29526, 35631, 36594, 37962, 40446, 42693, 44289, 54891, 55426, 71262, 75221, 83139, 85386, 88578, 106893, 109782, 128079, 132867, 150442, 166278, 213786, 225663, 249417, 256158, 265734, 384237, 451326, 498834, 526547, 676989, 748251, 768474, 1053094, 1353978, 1496502, 1579641, 2030967, 3159282, 4061934, 4738923, 9477846, 14216769, 28433538]

約数ペア:

[(1, 28433538), (2, 14216769), (3, 9477846), (6, 4738923), (7, 4061934), (9, 3159282), (14, 2030967), (18, 1579641), (19, 1496502), (21, 1353978), (27, 1053094), (37, 768474), (38, 748251), (42, 676989), (54, 526547), (57, 498834), (63, 451326), (74, 384237), (107, 265734), (111, 256158), (114, 249417), (126, 225663), (133, 213786), (171, 166278), (189, 150442), (214, 132867), (222, 128079), (259, 109782), (266, 106893), (321, 88578), (333, 85386), (342, 83139), (378, 75221), (399, 71262), (513, 55426), (518, 54891), (642, 44289), (666, 42693), (703, 40446), (749, 37962), (777, 36594), (798, 35631), (963, 29526), (999, 28462), (1026, 27713), (1197, 23754), (1406, 20223), (1498, 18981), (1554, 18297), (1926, 14763), (1998, 14231), (2033, 13986), (2109, 13482), (2247, 12654), (2331, 12198), (2394, 11877), (2889, 9842), (3591, 7918), (3959, 7182), (4066, 6993), (4218, 6741), (4494, 6327), (4662, 6099), (4921, 5778)]