28813158

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:104

約数の個数: 160

約数和(自身を含む): 79453440

約数和(自身を除く): 50640282

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 23, 27, 33, 37, 38, 46, 54, 57, 66, 69, 74, 81, 99, 111, 114, 138, 162, 171, 198, 207, 209, 222, 253, 297, 333, 342, 407, 414, 418, 437, 506, 513, 594, 621, 627, 666, 703, 759, 814, 851, 874, 891, 999, 1026, 1221, 1242, 1254, 1311, 1406, 1518, 1539, 1702, 1782, 1863, 1881, 1998, 2109, 2277, 2442, 2553, 2622, 2997, 3078, 3663, 3726, 3762, 3933, 4218, 4554, 4807, 5106, 5643, 5994, 6327, 6831, 7326, 7659, 7733, 7866, 9361, 9614, 10989, 11286, 11799, 12654, 13662, 14421, 15318, 15466, 16169, 16929, 18722, 18981, 20493, 21978, 22977, 23199, 23598, 28083, 28842, 32338, 32967, 33858, 35397, 37962, 40986, 43263, 45954, 46398, 48507, 56166, 56943, 65934, 68931, 69597, 70794, 84249, 86526, 97014, 113886, 129789, 137862, 139194, 145521, 168498, 177859, 208791, 252747, 259578, 291042, 355718, 389367, 417582, 436563, 505494, 533577, 626373, 758241, 778734, 873126, 1067154, 1252746, 1309689, 1516482, 1600731, 2619378, 3201462, 4802193, 9604386, 14406579, 28813158]

約数ペア:

[(1, 28813158), (2, 14406579), (3, 9604386), (6, 4802193), (9, 3201462), (11, 2619378), (18, 1600731), (19, 1516482), (22, 1309689), (23, 1252746), (27, 1067154), (33, 873126), (37, 778734), (38, 758241), (46, 626373), (54, 533577), (57, 505494), (66, 436563), (69, 417582), (74, 389367), (81, 355718), (99, 291042), (111, 259578), (114, 252747), (138, 208791), (162, 177859), (171, 168498), (198, 145521), (207, 139194), (209, 137862), (222, 129789), (253, 113886), (297, 97014), (333, 86526), (342, 84249), (407, 70794), (414, 69597), (418, 68931), (437, 65934), (506, 56943), (513, 56166), (594, 48507), (621, 46398), (627, 45954), (666, 43263), (703, 40986), (759, 37962), (814, 35397), (851, 33858), (874, 32967), (891, 32338), (999, 28842), (1026, 28083), (1221, 23598), (1242, 23199), (1254, 22977), (1311, 21978), (1406, 20493), (1518, 18981), (1539, 18722), (1702, 16929), (1782, 16169), (1863, 15466), (1881, 15318), (1998, 14421), (2109, 13662), (2277, 12654), (2442, 11799), (2553, 11286), (2622, 10989), (2997, 9614), (3078, 9361), (3663, 7866), (3726, 7733), (3762, 7659), (3933, 7326), (4218, 6831), (4554, 6327), (4807, 5994), (5106, 5643)]