31979024

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1$

素因数の和:384

約数の個数: 80

約数和(自身を含む): 78316416

約数和(自身を除く): 46337392

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 101, 112, 154, 176, 202, 257, 308, 404, 514, 616, 707, 808, 1028, 1111, 1232, 1414, 1616, 1799, 2056, 2222, 2827, 2828, 3598, 4112, 4444, 5654, 5656, 7196, 7777, 8888, 11308, 11312, 14392, 15554, 17776, 19789, 22616, 25957, 28784, 31108, 39578, 45232, 51914, 62216, 79156, 103828, 124432, 158312, 181699, 207656, 285527, 316624, 363398, 415312, 571054, 726796, 1142108, 1453592, 1998689, 2284216, 2907184, 3997378, 4568432, 7994756, 15989512, 31979024]

約数ペア:

[(1, 31979024), (2, 15989512), (4, 7994756), (7, 4568432), (8, 3997378), (11, 2907184), (14, 2284216), (16, 1998689), (22, 1453592), (28, 1142108), (44, 726796), (56, 571054), (77, 415312), (88, 363398), (101, 316624), (112, 285527), (154, 207656), (176, 181699), (202, 158312), (257, 124432), (308, 103828), (404, 79156), (514, 62216), (616, 51914), (707, 45232), (808, 39578), (1028, 31108), (1111, 28784), (1232, 25957), (1414, 22616), (1616, 19789), (1799, 17776), (2056, 15554), (2222, 14392), (2827, 11312), (2828, 11308), (3598, 8888), (4112, 7777), (4444, 7196), (5654, 5656)]