199405285

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{347}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 264591360

約数和(自身を除く): 65186075

約数列:

[1, 5, 19, 23, 95, 115, 263, 347, 437, 1315, 1735, 2185, 4997, 6049, 6593, 7981, 24985, 30245, 32965, 39905, 91261, 114931, 151639, 456305, 574655, 758195, 1733959, 2099003, 8669795, 10495015, 39881057, 199405285]

約数ペア:

[(1, 199405285), (5, 39881057), (19, 10495015), (23, 8669795), (95, 2099003), (115, 1733959), (263, 758195), (347, 574655), (437, 456305), (1315, 151639), (1735, 114931), (2185, 91261), (4997, 39905), (6049, 32965), (6593, 30245), (7981, 24985)]