28857136

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{397}}^1$

素因数の和:482

約数の個数: 80

約数和(自身を含む): 71066880

約数和(自身を除く): 42209744

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 59, 77, 88, 112, 118, 154, 176, 236, 308, 397, 413, 472, 616, 649, 794, 826, 944, 1232, 1298, 1588, 1652, 2596, 2779, 3176, 3304, 4367, 4543, 5192, 5558, 6352, 6608, 8734, 9086, 10384, 11116, 17468, 18172, 22232, 23423, 30569, 34936, 36344, 44464, 46846, 61138, 69872, 72688, 93692, 122276, 163961, 187384, 244552, 257653, 327922, 374768, 489104, 515306, 655844, 1030612, 1311688, 1803571, 2061224, 2623376, 3607142, 4122448, 7214284, 14428568, 28857136]

約数ペア:

[(1, 28857136), (2, 14428568), (4, 7214284), (7, 4122448), (8, 3607142), (11, 2623376), (14, 2061224), (16, 1803571), (22, 1311688), (28, 1030612), (44, 655844), (56, 515306), (59, 489104), (77, 374768), (88, 327922), (112, 257653), (118, 244552), (154, 187384), (176, 163961), (236, 122276), (308, 93692), (397, 72688), (413, 69872), (472, 61138), (616, 46846), (649, 44464), (794, 36344), (826, 34936), (944, 30569), (1232, 23423), (1298, 22232), (1588, 18172), (1652, 17468), (2596, 11116), (2779, 10384), (3176, 9086), (3304, 8734), (4367, 6608), (4543, 6352), (5192, 5558)]