221459784

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3271}}^1$

素因数の和:3331

約数の個数: 128

約数和(自身を含む): 703610880

約数和(自身を除く): 482151096

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 31, 39, 42, 52, 56, 62, 78, 84, 91, 93, 104, 124, 156, 168, 182, 186, 217, 248, 273, 312, 364, 372, 403, 434, 546, 651, 728, 744, 806, 868, 1092, 1209, 1302, 1612, 1736, 2184, 2418, 2604, 2821, 3224, 3271, 4836, 5208, 5642, 6542, 8463, 9672, 9813, 11284, 13084, 16926, 19626, 22568, 22897, 26168, 33852, 39252, 42523, 45794, 67704, 68691, 78504, 85046, 91588, 101401, 127569, 137382, 170092, 183176, 202802, 255138, 274764, 297661, 304203, 340184, 405604, 510276, 549528, 595322, 608406, 709807, 811208, 892983, 1020552, 1190644, 1216812, 1318213, 1419614, 1785966, 2129421, 2381288, 2433624, 2636426, 2839228, 3571932, 3954639, 4258842, 5272852, 5678456, 7143864, 7909278, 8517684, 9227491, 10545704, 15818556, 17035368, 18454982, 27682473, 31637112, 36909964, 55364946, 73819928, 110729892, 221459784]

約数ペア:

[(1, 221459784), (2, 110729892), (3, 73819928), (4, 55364946), (6, 36909964), (7, 31637112), (8, 27682473), (12, 18454982), (13, 17035368), (14, 15818556), (21, 10545704), (24, 9227491), (26, 8517684), (28, 7909278), (31, 7143864), (39, 5678456), (42, 5272852), (52, 4258842), (56, 3954639), (62, 3571932), (78, 2839228), (84, 2636426), (91, 2433624), (93, 2381288), (104, 2129421), (124, 1785966), (156, 1419614), (168, 1318213), (182, 1216812), (186, 1190644), (217, 1020552), (248, 892983), (273, 811208), (312, 709807), (364, 608406), (372, 595322), (403, 549528), (434, 510276), (546, 405604), (651, 340184), (728, 304203), (744, 297661), (806, 274764), (868, 255138), (1092, 202802), (1209, 183176), (1302, 170092), (1612, 137382), (1736, 127569), (2184, 101401), (2418, 91588), (2604, 85046), (2821, 78504), (3224, 68691), (3271, 67704), (4836, 45794), (5208, 42523), (5642, 39252), (6542, 33852), (8463, 26168), (9672, 22897), (9813, 22568), (11284, 19626), (13084, 16926)]