210520518

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2729}}^1$

素因数の和:2813

約数の個数: 64

約数和(自身を含む): 484323840

約数和(自身を除く): 273803322

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 43, 46, 69, 78, 86, 129, 138, 258, 299, 559, 598, 897, 989, 1118, 1677, 1794, 1978, 2729, 2967, 3354, 5458, 5934, 8187, 12857, 16374, 25714, 35477, 38571, 62767, 70954, 77142, 106431, 117347, 125534, 188301, 212862, 234694, 352041, 376602, 704082, 815971, 1525511, 1631942, 2447913, 2698981, 3051022, 4576533, 4895826, 5397962, 8096943, 9153066, 16193886, 35086753, 70173506, 105260259, 210520518]

約数ペア:

[(1, 210520518), (2, 105260259), (3, 70173506), (6, 35086753), (13, 16193886), (23, 9153066), (26, 8096943), (39, 5397962), (43, 4895826), (46, 4576533), (69, 3051022), (78, 2698981), (86, 2447913), (129, 1631942), (138, 1525511), (258, 815971), (299, 704082), (559, 376602), (598, 352041), (897, 234694), (989, 212862), (1118, 188301), (1677, 125534), (1794, 117347), (1978, 106431), (2729, 77142), (2967, 70954), (3354, 62767), (5458, 38571), (5934, 35477), (8187, 25714), (12857, 16374)]