221530672

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:227

約数の個数: 120

約数和(自身を含む): 512967168

約数和(自身を除く): 291436496

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 53, 68, 88, 106, 121, 127, 136, 176, 187, 212, 242, 254, 272, 374, 424, 484, 508, 583, 748, 848, 901, 968, 1016, 1166, 1397, 1496, 1802, 1936, 2032, 2057, 2159, 2332, 2794, 2992, 3604, 4114, 4318, 4664, 5588, 6413, 6731, 7208, 8228, 8636, 9328, 9911, 11176, 12826, 13462, 14416, 15367, 16456, 17272, 19822, 22352, 23749, 25652, 26924, 30734, 32912, 34544, 39644, 47498, 51304, 53848, 61468, 74041, 79288, 94996, 102608, 107696, 109021, 114427, 122936, 148082, 158576, 189992, 218042, 228854, 245872, 261239, 296164, 379984, 436084, 457708, 522478, 592328, 814451, 872168, 915416, 1044956, 1184656, 1258697, 1628902, 1744336, 1830832, 2089912, 2517394, 3257804, 4179824, 5034788, 6515608, 10069576, 13031216, 13845667, 20139152, 27691334, 55382668, 110765336, 221530672]

約数ペア:

[(1, 221530672), (2, 110765336), (4, 55382668), (8, 27691334), (11, 20139152), (16, 13845667), (17, 13031216), (22, 10069576), (34, 6515608), (44, 5034788), (53, 4179824), (68, 3257804), (88, 2517394), (106, 2089912), (121, 1830832), (127, 1744336), (136, 1628902), (176, 1258697), (187, 1184656), (212, 1044956), (242, 915416), (254, 872168), (272, 814451), (374, 592328), (424, 522478), (484, 457708), (508, 436084), (583, 379984), (748, 296164), (848, 261239), (901, 245872), (968, 228854), (1016, 218042), (1166, 189992), (1397, 158576), (1496, 148082), (1802, 122936), (1936, 114427), (2032, 109021), (2057, 107696), (2159, 102608), (2332, 94996), (2794, 79288), (2992, 74041), (3604, 61468), (4114, 53848), (4318, 51304), (4664, 47498), (5588, 39644), (6413, 34544), (6731, 32912), (7208, 30734), (8228, 26924), (8636, 25652), (9328, 23749), (9911, 22352), (11176, 19822), (12826, 17272), (13462, 16456), (14416, 15367)]