221791856

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:175

約数の個数: 160

約数和(自身を含む): 539965440

約数和(自身を除く): 318173584

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 31, 44, 52, 53, 59, 62, 88, 104, 106, 118, 124, 143, 176, 208, 212, 236, 248, 286, 341, 403, 424, 472, 496, 572, 583, 649, 682, 689, 767, 806, 848, 944, 1144, 1166, 1298, 1364, 1378, 1534, 1612, 1643, 1829, 2288, 2332, 2596, 2728, 2756, 3068, 3127, 3224, 3286, 3658, 4433, 4664, 5192, 5456, 5512, 6136, 6254, 6448, 6572, 7316, 7579, 8437, 8866, 9328, 10384, 11024, 12272, 12508, 13144, 14632, 15158, 16874, 17732, 18073, 20119, 21359, 23777, 25016, 26288, 29264, 30316, 33748, 34397, 35464, 36146, 40238, 40651, 42718, 47554, 50032, 60632, 67496, 68794, 70928, 72292, 80476, 81302, 85436, 95108, 96937, 121264, 134992, 137588, 144584, 160952, 162604, 170872, 190216, 193874, 234949, 261547, 275176, 289168, 321904, 325208, 341744, 380432, 387748, 447161, 469898, 523094, 550352, 650416, 775496, 894322, 939796, 1046188, 1066307, 1260181, 1550992, 1788644, 1879592, 2092376, 2132614, 2520362, 3577288, 3759184, 4184752, 4265228, 5040724, 7154576, 8530456, 10081448, 13861991, 17060912, 20162896, 27723982, 55447964, 110895928, 221791856]

約数ペア:

[(1, 221791856), (2, 110895928), (4, 55447964), (8, 27723982), (11, 20162896), (13, 17060912), (16, 13861991), (22, 10081448), (26, 8530456), (31, 7154576), (44, 5040724), (52, 4265228), (53, 4184752), (59, 3759184), (62, 3577288), (88, 2520362), (104, 2132614), (106, 2092376), (118, 1879592), (124, 1788644), (143, 1550992), (176, 1260181), (208, 1066307), (212, 1046188), (236, 939796), (248, 894322), (286, 775496), (341, 650416), (403, 550352), (424, 523094), (472, 469898), (496, 447161), (572, 387748), (583, 380432), (649, 341744), (682, 325208), (689, 321904), (767, 289168), (806, 275176), (848, 261547), (944, 234949), (1144, 193874), (1166, 190216), (1298, 170872), (1364, 162604), (1378, 160952), (1534, 144584), (1612, 137588), (1643, 134992), (1829, 121264), (2288, 96937), (2332, 95108), (2596, 85436), (2728, 81302), (2756, 80476), (3068, 72292), (3127, 70928), (3224, 68794), (3286, 67496), (3658, 60632), (4433, 50032), (4664, 47554), (5192, 42718), (5456, 40651), (5512, 40238), (6136, 36146), (6254, 35464), (6448, 34397), (6572, 33748), (7316, 30316), (7579, 29264), (8437, 26288), (8866, 25016), (9328, 23777), (10384, 21359), (11024, 20119), (12272, 18073), (12508, 17732), (13144, 16874), (14632, 15158)]