261562938

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{4651}}^1$

素因数の和:4779

約数の個数: 64

約数和(自身を含む): 650237952

約数和(自身を除く): 388675014

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 103, 182, 206, 273, 309, 546, 618, 721, 1339, 1442, 2163, 2678, 4017, 4326, 4651, 8034, 9302, 9373, 13953, 18746, 27906, 28119, 32557, 56238, 60463, 65114, 97671, 120926, 181389, 195342, 362778, 423241, 479053, 846482, 958106, 1269723, 1437159, 2539446, 2874318, 3353371, 6227689, 6706742, 10060113, 12455378, 18683067, 20120226, 37366134, 43593823, 87187646, 130781469, 261562938]

約数ペア:

[(1, 261562938), (2, 130781469), (3, 87187646), (6, 43593823), (7, 37366134), (13, 20120226), (14, 18683067), (21, 12455378), (26, 10060113), (39, 6706742), (42, 6227689), (78, 3353371), (91, 2874318), (103, 2539446), (182, 1437159), (206, 1269723), (273, 958106), (309, 846482), (546, 479053), (618, 423241), (721, 362778), (1339, 195342), (1442, 181389), (2163, 120926), (2678, 97671), (4017, 65114), (4326, 60463), (4651, 56238), (8034, 32557), (9302, 28119), (9373, 27906), (13953, 18746)]