28179536

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:372

約数の個数: 80

約数和(自身を含む): 69102720

約数和(自身を除く): 40923184

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 89, 112, 154, 176, 178, 257, 308, 356, 514, 616, 623, 712, 979, 1028, 1232, 1246, 1424, 1799, 1958, 2056, 2492, 2827, 3598, 3916, 4112, 4984, 5654, 6853, 7196, 7832, 9968, 11308, 13706, 14392, 15664, 19789, 22616, 22873, 27412, 28784, 39578, 45232, 45746, 54824, 79156, 91492, 109648, 158312, 160111, 182984, 251603, 316624, 320222, 365968, 503206, 640444, 1006412, 1280888, 1761221, 2012824, 2561776, 3522442, 4025648, 7044884, 14089768, 28179536]

約数ペア:

[(1, 28179536), (2, 14089768), (4, 7044884), (7, 4025648), (8, 3522442), (11, 2561776), (14, 2012824), (16, 1761221), (22, 1280888), (28, 1006412), (44, 640444), (56, 503206), (77, 365968), (88, 320222), (89, 316624), (112, 251603), (154, 182984), (176, 160111), (178, 158312), (257, 109648), (308, 91492), (356, 79156), (514, 54824), (616, 45746), (623, 45232), (712, 39578), (979, 28784), (1028, 27412), (1232, 22873), (1246, 22616), (1424, 19789), (1799, 15664), (1958, 14392), (2056, 13706), (2492, 11308), (2827, 9968), (3598, 7832), (3916, 7196), (4112, 6853), (4984, 5654)]