209712906

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{1871}}^1$

素因数の和:2371

約数の個数: 48

約数和(自身を含む): 490613760

約数和(自身を除く): 280900854

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 479, 958, 1437, 1871, 2874, 3742, 4311, 5613, 6227, 8622, 11226, 12454, 16839, 18681, 24323, 33678, 37362, 48646, 56043, 72969, 112086, 145938, 218907, 437814, 896209, 1792418, 2688627, 5377254, 8065881, 11650717, 16131762, 23301434, 34952151, 69904302, 104856453, 209712906]

約数ペア:

[(1, 209712906), (2, 104856453), (3, 69904302), (6, 34952151), (9, 23301434), (13, 16131762), (18, 11650717), (26, 8065881), (39, 5377254), (78, 2688627), (117, 1792418), (234, 896209), (479, 437814), (958, 218907), (1437, 145938), (1871, 112086), (2874, 72969), (3742, 56043), (4311, 48646), (5613, 37362), (6227, 33678), (8622, 24323), (11226, 18681), (12454, 16839)]