212214128

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{491}}^1$

素因数の和:750

約数の個数: 80

約数和(自身を含む): 500753664

約数和(自身を除く): 288539536

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 227, 238, 272, 454, 476, 491, 908, 952, 982, 1589, 1816, 1904, 1964, 3178, 3437, 3632, 3859, 3928, 6356, 6874, 7718, 7856, 8347, 12712, 13748, 15436, 16694, 25424, 27013, 27496, 30872, 33388, 54026, 54992, 58429, 61744, 66776, 108052, 111457, 116858, 133552, 216104, 222914, 233716, 432208, 445828, 467432, 780199, 891656, 934864, 1560398, 1783312, 1894769, 3120796, 3789538, 6241592, 7579076, 12483184, 13263383, 15158152, 26526766, 30316304, 53053532, 106107064, 212214128]

約数ペア:

[(1, 212214128), (2, 106107064), (4, 53053532), (7, 30316304), (8, 26526766), (14, 15158152), (16, 13263383), (17, 12483184), (28, 7579076), (34, 6241592), (56, 3789538), (68, 3120796), (112, 1894769), (119, 1783312), (136, 1560398), (227, 934864), (238, 891656), (272, 780199), (454, 467432), (476, 445828), (491, 432208), (908, 233716), (952, 222914), (982, 216104), (1589, 133552), (1816, 116858), (1904, 111457), (1964, 108052), (3178, 66776), (3437, 61744), (3632, 58429), (3859, 54992), (3928, 54026), (6356, 33388), (6874, 30872), (7718, 27496), (7856, 27013), (8347, 25424), (12712, 16694), (13748, 15436)]