223343978

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:220

約数の個数: 72

約数和(自身を含む): 411231744

約数和(自身を除く): 187887766

約数列:

[1, 2, 11, 13, 22, 26, 43, 86, 121, 127, 143, 169, 242, 254, 286, 338, 473, 559, 946, 1118, 1397, 1573, 1651, 1859, 2794, 3146, 3302, 3718, 5203, 5461, 6149, 7267, 10406, 10922, 12298, 14534, 15367, 18161, 20449, 21463, 30734, 36322, 40898, 42926, 60071, 67639, 70993, 79937, 120142, 135278, 141986, 159874, 199771, 236093, 399542, 472186, 660781, 780923, 879307, 922909, 1321562, 1561846, 1758614, 1845818, 2597023, 5194046, 8590153, 10151999, 17180306, 20303998, 111671989, 223343978]

約数ペア:

[(1, 223343978), (2, 111671989), (11, 20303998), (13, 17180306), (22, 10151999), (26, 8590153), (43, 5194046), (86, 2597023), (121, 1845818), (127, 1758614), (143, 1561846), (169, 1321562), (242, 922909), (254, 879307), (286, 780923), (338, 660781), (473, 472186), (559, 399542), (946, 236093), (1118, 199771), (1397, 159874), (1573, 141986), (1651, 135278), (1859, 120142), (2794, 79937), (3146, 70993), (3302, 67639), (3718, 60071), (5203, 42926), (5461, 40898), (6149, 36322), (7267, 30734), (10406, 21463), (10922, 20449), (12298, 18161), (14534, 15367)]