217248812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{259867}}^1$

素因数の和:259901

約数の個数: 24

約数和(自身を含む): 436578240

約数和(自身を除く): 219329428

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 259867, 519734, 1039468, 2858537, 4937473, 5717074, 9874946, 11434148, 19749892, 54312203, 108624406, 217248812]

約数ペア:

[(1, 217248812), (2, 108624406), (4, 54312203), (11, 19749892), (19, 11434148), (22, 9874946), (38, 5717074), (44, 4937473), (76, 2858537), (209, 1039468), (418, 519734), (836, 259867)]