209216552

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1$

素因数の和:602

約数の個数: 64

約数和(自身を含む): 431101440

約数和(自身を除く): 221884888

約数列:

[1, 2, 4, 8, 17, 34, 47, 68, 71, 94, 136, 142, 188, 284, 376, 461, 568, 799, 922, 1207, 1598, 1844, 2414, 3196, 3337, 3688, 4828, 6392, 6674, 7837, 9656, 13348, 15674, 21667, 26696, 31348, 32731, 43334, 56729, 62696, 65462, 86668, 113458, 130924, 173336, 226916, 261848, 368339, 453832, 556427, 736678, 1112854, 1473356, 1538357, 2225708, 2946712, 3076714, 4451416, 6153428, 12306856, 26152069, 52304138, 104608276, 209216552]

約数ペア:

[(1, 209216552), (2, 104608276), (4, 52304138), (8, 26152069), (17, 12306856), (34, 6153428), (47, 4451416), (68, 3076714), (71, 2946712), (94, 2225708), (136, 1538357), (142, 1473356), (188, 1112854), (284, 736678), (376, 556427), (461, 453832), (568, 368339), (799, 261848), (922, 226916), (1207, 173336), (1598, 130924), (1844, 113458), (2414, 86668), (3196, 65462), (3337, 62696), (3688, 56729), (4828, 43334), (6392, 32731), (6674, 31348), (7837, 26696), (9656, 21667), (13348, 15674)]