28487976

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^2$

素因数の和:171

約数の個数: 96

約数和(自身を含む): 81712800

約数和(自身を除く): 53224824

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 29, 33, 44, 58, 61, 66, 87, 88, 116, 122, 132, 174, 183, 232, 244, 264, 319, 348, 366, 488, 638, 671, 696, 732, 957, 1276, 1342, 1464, 1769, 1914, 2013, 2552, 2684, 3538, 3721, 3828, 4026, 5307, 5368, 7076, 7442, 7656, 8052, 10614, 11163, 14152, 14884, 16104, 19459, 21228, 22326, 29768, 38918, 40931, 42456, 44652, 58377, 77836, 81862, 89304, 107909, 116754, 122793, 155672, 163724, 215818, 233508, 245586, 323727, 327448, 431636, 467016, 491172, 647454, 863272, 982344, 1186999, 1294908, 2373998, 2589816, 3560997, 4747996, 7121994, 9495992, 14243988, 28487976]

約数ペア:

[(1, 28487976), (2, 14243988), (3, 9495992), (4, 7121994), (6, 4747996), (8, 3560997), (11, 2589816), (12, 2373998), (22, 1294908), (24, 1186999), (29, 982344), (33, 863272), (44, 647454), (58, 491172), (61, 467016), (66, 431636), (87, 327448), (88, 323727), (116, 245586), (122, 233508), (132, 215818), (174, 163724), (183, 155672), (232, 122793), (244, 116754), (264, 107909), (319, 89304), (348, 81862), (366, 77836), (488, 58377), (638, 44652), (671, 42456), (696, 40931), (732, 38918), (957, 29768), (1276, 22326), (1342, 21228), (1464, 19459), (1769, 16104), (1914, 14884), (2013, 14152), (2552, 11163), (2684, 10614), (3538, 8052), (3721, 7656), (3828, 7442), (4026, 7076), (5307, 5368)]