28213878

素因数分解:

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

素因数の和:549

約数の個数: 64

約数和(自身を含む): 70958592

約数和(自身を除く): 42744714

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 173, 231, 346, 353, 462, 519, 706, 1038, 1059, 1211, 1903, 2118, 2422, 2471, 3633, 3806, 3883, 4942, 5709, 7266, 7413, 7766, 11418, 11649, 13321, 14826, 23298, 26642, 27181, 39963, 54362, 61069, 79926, 81543, 122138, 163086, 183207, 366414, 427483, 671759, 854966, 1282449, 1343518, 2015277, 2564898, 4030554, 4702313, 9404626, 14106939, 28213878]

約数ペア:

[(1, 28213878), (2, 14106939), (3, 9404626), (6, 4702313), (7, 4030554), (11, 2564898), (14, 2015277), (21, 1343518), (22, 1282449), (33, 854966), (42, 671759), (66, 427483), (77, 366414), (154, 183207), (173, 163086), (231, 122138), (346, 81543), (353, 79926), (462, 61069), (519, 54362), (706, 39963), (1038, 27181), (1059, 26642), (1211, 23298), (1903, 14826), (2118, 13321), (2422, 11649), (2471, 11418), (3633, 7766), (3806, 7413), (3883, 7266), (4942, 5709)]