208431612

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1811}}^1$

素因数の和:1983

約数の個数: 72

約数和(自身を含む): 554037120

約数和(自身を除く): 345605508

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 139, 207, 276, 278, 414, 417, 556, 828, 834, 1251, 1668, 1811, 2502, 3197, 3622, 5004, 5433, 6394, 7244, 9591, 10866, 12788, 16299, 19182, 21732, 28773, 32598, 38364, 41653, 57546, 65196, 83306, 115092, 124959, 166612, 249918, 251729, 374877, 499836, 503458, 749754, 755187, 1006916, 1499508, 1510374, 2265561, 3020748, 4531122, 5789767, 9062244, 11579534, 17369301, 23159068, 34738602, 52107903, 69477204, 104215806, 208431612]

約数ペア:

[(1, 208431612), (2, 104215806), (3, 69477204), (4, 52107903), (6, 34738602), (9, 23159068), (12, 17369301), (18, 11579534), (23, 9062244), (36, 5789767), (46, 4531122), (69, 3020748), (92, 2265561), (138, 1510374), (139, 1499508), (207, 1006916), (276, 755187), (278, 749754), (414, 503458), (417, 499836), (556, 374877), (828, 251729), (834, 249918), (1251, 166612), (1668, 124959), (1811, 115092), (2502, 83306), (3197, 65196), (3622, 57546), (5004, 41653), (5433, 38364), (6394, 32598), (7244, 28773), (9591, 21732), (10866, 19182), (12788, 16299)]