28158732

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{313}}^1$

素因数の和:357

約数の個数: 144

約数和(自身を含む): 90205920

約数和(自身を除く): 62047188

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 27, 28, 34, 36, 42, 49, 51, 54, 63, 68, 84, 98, 102, 108, 119, 126, 147, 153, 189, 196, 204, 238, 252, 294, 306, 313, 357, 378, 441, 459, 476, 588, 612, 626, 714, 756, 833, 882, 918, 939, 1071, 1252, 1323, 1428, 1666, 1764, 1836, 1878, 2142, 2191, 2499, 2646, 2817, 3213, 3332, 3756, 4284, 4382, 4998, 5292, 5321, 5634, 6426, 6573, 7497, 8451, 8764, 9996, 10642, 11268, 12852, 13146, 14994, 15337, 15963, 16902, 19719, 21284, 22491, 26292, 29988, 30674, 31926, 33804, 37247, 39438, 44982, 46011, 47889, 59157, 61348, 63852, 74494, 78876, 89964, 92022, 95778, 111741, 118314, 138033, 143667, 148988, 184044, 191556, 223482, 236628, 260729, 276066, 287334, 335223, 414099, 446964, 521458, 552132, 574668, 670446, 782187, 828198, 1005669, 1042916, 1340892, 1564374, 1656396, 2011338, 2346561, 3128748, 4022676, 4693122, 7039683, 9386244, 14079366, 28158732]

約数ペア:

[(1, 28158732), (2, 14079366), (3, 9386244), (4, 7039683), (6, 4693122), (7, 4022676), (9, 3128748), (12, 2346561), (14, 2011338), (17, 1656396), (18, 1564374), (21, 1340892), (27, 1042916), (28, 1005669), (34, 828198), (36, 782187), (42, 670446), (49, 574668), (51, 552132), (54, 521458), (63, 446964), (68, 414099), (84, 335223), (98, 287334), (102, 276066), (108, 260729), (119, 236628), (126, 223482), (147, 191556), (153, 184044), (189, 148988), (196, 143667), (204, 138033), (238, 118314), (252, 111741), (294, 95778), (306, 92022), (313, 89964), (357, 78876), (378, 74494), (441, 63852), (459, 61348), (476, 59157), (588, 47889), (612, 46011), (626, 44982), (714, 39438), (756, 37247), (833, 33804), (882, 31926), (918, 30674), (939, 29988), (1071, 26292), (1252, 22491), (1323, 21284), (1428, 19719), (1666, 16902), (1764, 15963), (1836, 15337), (1878, 14994), (2142, 13146), (2191, 12852), (2499, 11268), (2646, 10642), (2817, 9996), (3213, 8764), (3332, 8451), (3756, 7497), (4284, 6573), (4382, 6426), (4998, 5634), (5292, 5321)]