191513308

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{659}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 391184640

約数和(自身を除く): 199671332

約数列:

[1, 2, 4, 7, 14, 28, 97, 107, 194, 214, 388, 428, 659, 679, 749, 1318, 1358, 1498, 2636, 2716, 2996, 4613, 9226, 10379, 18452, 20758, 41516, 63923, 70513, 72653, 127846, 141026, 145306, 255692, 282052, 290612, 447461, 493591, 894922, 987182, 1789844, 1974364, 6839761, 13679522, 27359044, 47878327, 95756654, 191513308]

約数ペア:

[(1, 191513308), (2, 95756654), (4, 47878327), (7, 27359044), (14, 13679522), (28, 6839761), (97, 1974364), (107, 1789844), (194, 987182), (214, 894922), (388, 493591), (428, 447461), (659, 290612), (679, 282052), (749, 255692), (1318, 145306), (1358, 141026), (1498, 127846), (2636, 72653), (2716, 70513), (2996, 63923), (4613, 41516), (9226, 20758), (10379, 18452)]