28005912

素因数分解:

$2^3\times 3^4\times {\mathrm{11}}^1\times {\mathrm{3929}}^1$

素因数の和:3958

約数の個数: 80

約数和(自身を含む): 85595400

約数和(自身を除く): 57589488

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 44, 54, 66, 72, 81, 88, 99, 108, 132, 162, 198, 216, 264, 297, 324, 396, 594, 648, 792, 891, 1188, 1782, 2376, 3564, 3929, 7128, 7858, 11787, 15716, 23574, 31432, 35361, 43219, 47148, 70722, 86438, 94296, 106083, 129657, 141444, 172876, 212166, 259314, 282888, 318249, 345752, 388971, 424332, 518628, 636498, 777942, 848664, 1037256, 1166913, 1272996, 1555884, 2333826, 2545992, 3111768, 3500739, 4667652, 7001478, 9335304, 14002956, 28005912]

約数ペア:

[(1, 28005912), (2, 14002956), (3, 9335304), (4, 7001478), (6, 4667652), (8, 3500739), (9, 3111768), (11, 2545992), (12, 2333826), (18, 1555884), (22, 1272996), (24, 1166913), (27, 1037256), (33, 848664), (36, 777942), (44, 636498), (54, 518628), (66, 424332), (72, 388971), (81, 345752), (88, 318249), (99, 282888), (108, 259314), (132, 212166), (162, 172876), (198, 141444), (216, 129657), (264, 106083), (297, 94296), (324, 86438), (396, 70722), (594, 47148), (648, 43219), (792, 35361), (891, 31432), (1188, 23574), (1782, 15716), (2376, 11787), (3564, 7858), (3929, 7128)]