208855801

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 279465984

約数和(自身を除く): 70610183

約数列:

[1, 7, 11, 23, 71, 77, 121, 151, 161, 253, 497, 781, 847, 1057, 1633, 1661, 1771, 2783, 3473, 5467, 8591, 10721, 11431, 11627, 17963, 18271, 19481, 24311, 38203, 60137, 75047, 117931, 125741, 127897, 197593, 246583, 267421, 420233, 825517, 1297241, 1383151, 1726081, 2712413, 2941631, 9080687, 18986891, 29836543, 208855801]

約数ペア:

[(1, 208855801), (7, 29836543), (11, 18986891), (23, 9080687), (71, 2941631), (77, 2712413), (121, 1726081), (151, 1383151), (161, 1297241), (253, 825517), (497, 420233), (781, 267421), (847, 246583), (1057, 197593), (1633, 127897), (1661, 125741), (1771, 117931), (2783, 75047), (3473, 60137), (5467, 38203), (8591, 24311), (10721, 19481), (11431, 18271), (11627, 17963)]