209471514

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1\times {\mathrm{227}}^1$

素因数の和:539

約数の個数: 64

約数和(自身を含む): 487489536

約数和(自身を除く): 278018022

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 127, 173, 227, 254, 346, 381, 454, 519, 681, 762, 889, 1038, 1211, 1362, 1589, 1778, 2422, 2667, 3178, 3633, 4767, 5334, 7266, 9534, 21971, 28829, 39271, 43942, 57658, 65913, 78542, 86487, 117813, 131826, 153797, 172974, 201803, 235626, 274897, 307594, 403606, 461391, 549794, 605409, 824691, 922782, 1210818, 1649382, 4987417, 9974834, 14962251, 29924502, 34911919, 69823838, 104735757, 209471514]

約数ペア:

[(1, 209471514), (2, 104735757), (3, 69823838), (6, 34911919), (7, 29924502), (14, 14962251), (21, 9974834), (42, 4987417), (127, 1649382), (173, 1210818), (227, 922782), (254, 824691), (346, 605409), (381, 549794), (454, 461391), (519, 403606), (681, 307594), (762, 274897), (889, 235626), (1038, 201803), (1211, 172974), (1362, 153797), (1589, 131826), (1778, 117813), (2422, 86487), (2667, 78542), (3178, 65913), (3633, 57658), (4767, 43942), (5334, 39271), (7266, 28829), (9534, 21971)]