28887912

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{5651}}^1$

素因数の和:5734

約数の個数: 48

約数和(自身を含む): 79354080

約数和(自身を除く): 50466168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 213, 284, 426, 568, 639, 852, 1278, 1704, 2556, 5112, 5651, 11302, 16953, 22604, 33906, 45208, 50859, 67812, 101718, 135624, 203436, 401221, 406872, 802442, 1203663, 1604884, 2407326, 3209768, 3610989, 4814652, 7221978, 9629304, 14443956, 28887912]

約数ペア:

[(1, 28887912), (2, 14443956), (3, 9629304), (4, 7221978), (6, 4814652), (8, 3610989), (9, 3209768), (12, 2407326), (18, 1604884), (24, 1203663), (36, 802442), (71, 406872), (72, 401221), (142, 203436), (213, 135624), (284, 101718), (426, 67812), (568, 50859), (639, 45208), (852, 33906), (1278, 22604), (1704, 16953), (2556, 11302), (5112, 5651)]