648919194

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{353}}^1$

素因数の和:572

約数の個数: 128

約数和(自身を含む): 1703006208

約数和(自身を除く): 1054087014

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 23, 33, 42, 46, 66, 69, 77, 138, 154, 161, 173, 231, 253, 322, 346, 353, 462, 483, 506, 519, 706, 759, 966, 1038, 1059, 1211, 1518, 1771, 1903, 2118, 2422, 2471, 3542, 3633, 3806, 3883, 3979, 4942, 5313, 5709, 7266, 7413, 7766, 7958, 8119, 10626, 11418, 11649, 11937, 13321, 14826, 16238, 23298, 23874, 24357, 26642, 27181, 27853, 39963, 43769, 48714, 54362, 55706, 56833, 61069, 79926, 81543, 83559, 87538, 89309, 113666, 122138, 131307, 163086, 167118, 170499, 178618, 183207, 262614, 267927, 306383, 340998, 366414, 427483, 535854, 612766, 625163, 671759, 854966, 919149, 1250326, 1282449, 1343518, 1404587, 1838298, 1875489, 2015277, 2564898, 2809174, 3750978, 4030554, 4213761, 4702313, 8427522, 9404626, 9832109, 14106939, 15450457, 19664218, 28213878, 29496327, 30900914, 46351371, 58992654, 92702742, 108153199, 216306398, 324459597, 648919194]

約数ペア:

[(1, 648919194), (2, 324459597), (3, 216306398), (6, 108153199), (7, 92702742), (11, 58992654), (14, 46351371), (21, 30900914), (22, 29496327), (23, 28213878), (33, 19664218), (42, 15450457), (46, 14106939), (66, 9832109), (69, 9404626), (77, 8427522), (138, 4702313), (154, 4213761), (161, 4030554), (173, 3750978), (231, 2809174), (253, 2564898), (322, 2015277), (346, 1875489), (353, 1838298), (462, 1404587), (483, 1343518), (506, 1282449), (519, 1250326), (706, 919149), (759, 854966), (966, 671759), (1038, 625163), (1059, 612766), (1211, 535854), (1518, 427483), (1771, 366414), (1903, 340998), (2118, 306383), (2422, 267927), (2471, 262614), (3542, 183207), (3633, 178618), (3806, 170499), (3883, 167118), (3979, 163086), (4942, 131307), (5313, 122138), (5709, 113666), (7266, 89309), (7413, 87538), (7766, 83559), (7958, 81543), (8119, 79926), (10626, 61069), (11418, 56833), (11649, 55706), (11937, 54362), (13321, 48714), (14826, 43769), (16238, 39963), (23298, 27853), (23874, 27181), (24357, 26642)]