209439147152

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{688944563}}^1$

素因数の和:688944590

約数の個数: 20

約数和(自身を含む): 427145629680

約数和(自身を除く): 217706482528

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 688944563, 1377889126, 2755778252, 5511556504, 11023113008, 13089946697, 26179893394, 52359786788, 104719573576, 209439147152]

約数ペア:

[(1, 209439147152), (2, 104719573576), (4, 52359786788), (8, 26179893394), (16, 13089946697), (19, 11023113008), (38, 5511556504), (76, 2755778252), (152, 1377889126), (304, 688944563)]