212716924

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{161639}}^1$

素因数の和:161697

約数の個数: 24

約数和(自身を含む): 434488320

約数和(自身を除く): 221771396

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 161639, 323278, 646556, 1131473, 2262946, 4525892, 7597033, 15194066, 30388132, 53179231, 106358462, 212716924]

約数ペア:

[(1, 212716924), (2, 106358462), (4, 53179231), (7, 30388132), (14, 15194066), (28, 7597033), (47, 4525892), (94, 2262946), (188, 1131473), (329, 646556), (658, 323278), (1316, 161639)]