209614988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{31973}}^1$

素因数の和:32137

約数の個数: 24

約数和(自身を含む): 402872400

約数和(自身を除く): 193257412

約数列:

[1, 2, 4, 11, 22, 44, 149, 298, 596, 1639, 3278, 6556, 31973, 63946, 127892, 351703, 703406, 1406812, 4763977, 9527954, 19055908, 52403747, 104807494, 209614988]

約数ペア:

[(1, 209614988), (2, 104807494), (4, 52403747), (11, 19055908), (22, 9527954), (44, 4763977), (149, 1406812), (298, 703406), (596, 351703), (1639, 127892), (3278, 63946), (6556, 31973)]