28026712

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 62599680

約数和(自身を除く): 34572968

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 103, 113, 172, 206, 226, 301, 344, 412, 452, 602, 721, 791, 824, 904, 1204, 1442, 1582, 2408, 2884, 3164, 4429, 4859, 5768, 6328, 8858, 9718, 11639, 17716, 19436, 23278, 31003, 34013, 35432, 38872, 46556, 62006, 68026, 81473, 93112, 124012, 136052, 162946, 248024, 272104, 325892, 500477, 651784, 1000954, 2001908, 3503339, 4003816, 7006678, 14013356, 28026712]

約数ペア:

[(1, 28026712), (2, 14013356), (4, 7006678), (7, 4003816), (8, 3503339), (14, 2001908), (28, 1000954), (43, 651784), (56, 500477), (86, 325892), (103, 272104), (113, 248024), (172, 162946), (206, 136052), (226, 124012), (301, 93112), (344, 81473), (412, 68026), (452, 62006), (602, 46556), (721, 38872), (791, 35432), (824, 34013), (904, 31003), (1204, 23278), (1442, 19436), (1582, 17716), (2408, 11639), (2884, 9718), (3164, 8858), (4429, 6328), (4859, 5768)]