87970002

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:743

約数の個数: 64

約数和(自身を含む): 197074944

約数和(自身を除く): 109104942

約数列:

[1, 2, 3, 6, 17, 31, 34, 43, 51, 62, 86, 93, 102, 129, 186, 258, 527, 647, 731, 1054, 1294, 1333, 1462, 1581, 1941, 2193, 2666, 3162, 3882, 3999, 4386, 7998, 10999, 20057, 21998, 22661, 27821, 32997, 40114, 45322, 55642, 60171, 65994, 67983, 83463, 120342, 135966, 166926, 340969, 472957, 681938, 862451, 945914, 1022907, 1418871, 1724902, 2045814, 2587353, 2837742, 5174706, 14661667, 29323334, 43985001, 87970002]

約数ペア:

[(1, 87970002), (2, 43985001), (3, 29323334), (6, 14661667), (17, 5174706), (31, 2837742), (34, 2587353), (43, 2045814), (51, 1724902), (62, 1418871), (86, 1022907), (93, 945914), (102, 862451), (129, 681938), (186, 472957), (258, 340969), (527, 166926), (647, 135966), (731, 120342), (1054, 83463), (1294, 67983), (1333, 65994), (1462, 60171), (1581, 55642), (1941, 45322), (2193, 40114), (2666, 32997), (3162, 27821), (3882, 22661), (3999, 21998), (4386, 20057), (7998, 10999)]