28145744

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1$

素因数の和:468

約数の個数: 80

約数和(自身を含む): 65888640

約数和(自身を除く): 37742896

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 23, 34, 44, 46, 68, 88, 92, 136, 176, 184, 187, 253, 272, 368, 374, 391, 409, 506, 748, 782, 818, 1012, 1496, 1564, 1636, 2024, 2992, 3128, 3272, 4048, 4301, 4499, 6256, 6544, 6953, 8602, 8998, 9407, 13906, 17204, 17996, 18814, 27812, 34408, 35992, 37628, 55624, 68816, 71984, 75256, 76483, 103477, 111248, 150512, 152966, 159919, 206954, 305932, 319838, 413908, 611864, 639676, 827816, 1223728, 1279352, 1655632, 1759109, 2558704, 3518218, 7036436, 14072872, 28145744]

約数ペア:

[(1, 28145744), (2, 14072872), (4, 7036436), (8, 3518218), (11, 2558704), (16, 1759109), (17, 1655632), (22, 1279352), (23, 1223728), (34, 827816), (44, 639676), (46, 611864), (68, 413908), (88, 319838), (92, 305932), (136, 206954), (176, 159919), (184, 152966), (187, 150512), (253, 111248), (272, 103477), (368, 76483), (374, 75256), (391, 71984), (409, 68816), (506, 55624), (748, 37628), (782, 35992), (818, 34408), (1012, 27812), (1496, 18814), (1564, 17996), (1636, 17204), (2024, 13906), (2992, 9407), (3128, 8998), (3272, 8602), (4048, 6953), (4301, 6544), (4499, 6256)]