28273856

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1999}}^1$

素因数の和:2041

約数の個数: 56

約数和(自身を含む): 64008000

約数和(自身を除く): 35734144

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 136, 208, 221, 272, 416, 442, 544, 832, 884, 1088, 1768, 1999, 3536, 3998, 7072, 7996, 14144, 15992, 25987, 31984, 33983, 51974, 63968, 67966, 103948, 127936, 135932, 207896, 271864, 415792, 441779, 543728, 831584, 883558, 1087456, 1663168, 1767116, 2174912, 3534232, 7068464, 14136928, 28273856]

約数ペア:

[(1, 28273856), (2, 14136928), (4, 7068464), (8, 3534232), (13, 2174912), (16, 1767116), (17, 1663168), (26, 1087456), (32, 883558), (34, 831584), (52, 543728), (64, 441779), (68, 415792), (104, 271864), (136, 207896), (208, 135932), (221, 127936), (272, 103948), (416, 67966), (442, 63968), (544, 51974), (832, 33983), (884, 31984), (1088, 25987), (1768, 15992), (1999, 14144), (3536, 7996), (3998, 7072)]