1242745346

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{66721}}^1$

素因数の和:66929

約数の個数: 16

約数和(自身を含む): 1905580320

約数和(自身を除く): 662834974

約数列:

[1, 2, 67, 134, 139, 278, 9313, 18626, 66721, 133442, 4470307, 8940614, 9274219, 18548438, 621372673, 1242745346]

約数ペア:

[(1, 1242745346), (2, 621372673), (67, 18548438), (134, 9274219), (139, 8940614), (278, 4470307), (9313, 133442), (18626, 66721)]