217013744

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{713861}}^1$

素因数の和:713888

約数の個数: 20

約数和(自身を含む): 442594440

約数和(自身を除く): 225580696

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 713861, 1427722, 2855444, 5710888, 11421776, 13563359, 27126718, 54253436, 108506872, 217013744]

約数ペア:

[(1, 217013744), (2, 108506872), (4, 54253436), (8, 27126718), (16, 13563359), (19, 11421776), (38, 5710888), (76, 2855444), (152, 1427722), (304, 713861)]