28209384

素因数分解:

$2^3\times 3^6\times 7^1\times {\mathrm{691}}^1$

素因数の和:722

約数の個数: 112

約数和(自身を含む): 90762720

約数和(自身を除く): 62553336

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 81, 84, 108, 126, 162, 168, 189, 216, 243, 252, 324, 378, 486, 504, 567, 648, 691, 729, 756, 972, 1134, 1382, 1458, 1512, 1701, 1944, 2073, 2268, 2764, 2916, 3402, 4146, 4536, 4837, 5103, 5528, 5832, 6219, 6804, 8292, 9674, 10206, 12438, 13608, 14511, 16584, 18657, 19348, 20412, 24876, 29022, 37314, 38696, 40824, 43533, 49752, 55971, 58044, 74628, 87066, 111942, 116088, 130599, 149256, 167913, 174132, 223884, 261198, 335826, 348264, 391797, 447768, 503739, 522396, 671652, 783594, 1007478, 1044792, 1175391, 1343304, 1567188, 2014956, 2350782, 3134376, 3526173, 4029912, 4701564, 7052346, 9403128, 14104692, 28209384]

約数ペア:

[(1, 28209384), (2, 14104692), (3, 9403128), (4, 7052346), (6, 4701564), (7, 4029912), (8, 3526173), (9, 3134376), (12, 2350782), (14, 2014956), (18, 1567188), (21, 1343304), (24, 1175391), (27, 1044792), (28, 1007478), (36, 783594), (42, 671652), (54, 522396), (56, 503739), (63, 447768), (72, 391797), (81, 348264), (84, 335826), (108, 261198), (126, 223884), (162, 174132), (168, 167913), (189, 149256), (216, 130599), (243, 116088), (252, 111942), (324, 87066), (378, 74628), (486, 58044), (504, 55971), (567, 49752), (648, 43533), (691, 40824), (729, 38696), (756, 37314), (972, 29022), (1134, 24876), (1382, 20412), (1458, 19348), (1512, 18657), (1701, 16584), (1944, 14511), (2073, 13608), (2268, 12438), (2764, 10206), (2916, 9674), (3402, 8292), (4146, 6804), (4536, 6219), (4837, 5832), (5103, 5528)]