28404544

素因数分解:

$2^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:156

約数の個数: 112

約数和(自身を含む): 70225920

約数和(自身を除く): 41821376

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 47, 56, 64, 71, 76, 94, 112, 133, 142, 152, 188, 224, 266, 284, 304, 329, 376, 448, 497, 532, 568, 608, 658, 752, 893, 994, 1064, 1136, 1216, 1316, 1349, 1504, 1786, 1988, 2128, 2272, 2632, 2698, 3008, 3337, 3572, 3976, 4256, 4544, 5264, 5396, 6251, 6674, 7144, 7952, 8512, 9443, 10528, 10792, 12502, 13348, 14288, 15904, 18886, 21056, 21584, 23359, 25004, 26696, 28576, 31808, 37772, 43168, 46718, 50008, 53392, 57152, 63403, 75544, 86336, 93436, 100016, 106784, 126806, 151088, 186872, 200032, 213568, 253612, 302176, 373744, 400064, 443821, 507224, 604352, 747488, 887642, 1014448, 1494976, 1775284, 2028896, 3550568, 4057792, 7101136, 14202272, 28404544]

約数ペア:

[(1, 28404544), (2, 14202272), (4, 7101136), (7, 4057792), (8, 3550568), (14, 2028896), (16, 1775284), (19, 1494976), (28, 1014448), (32, 887642), (38, 747488), (47, 604352), (56, 507224), (64, 443821), (71, 400064), (76, 373744), (94, 302176), (112, 253612), (133, 213568), (142, 200032), (152, 186872), (188, 151088), (224, 126806), (266, 106784), (284, 100016), (304, 93436), (329, 86336), (376, 75544), (448, 63403), (497, 57152), (532, 53392), (568, 50008), (608, 46718), (658, 43168), (752, 37772), (893, 31808), (994, 28576), (1064, 26696), (1136, 25004), (1216, 23359), (1316, 21584), (1349, 21056), (1504, 18886), (1786, 15904), (1988, 14288), (2128, 13348), (2272, 12502), (2632, 10792), (2698, 10528), (3008, 9443), (3337, 8512), (3572, 7952), (3976, 7144), (4256, 6674), (4544, 6251), (5264, 5396)]