1257893

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{601}}^1$

素因数の和:644

約数の個数: 16

約数和(自身を含む): 1618176

約数和(自身を除く): 360283

約数列:

[1, 7, 13, 23, 91, 161, 299, 601, 2093, 4207, 7813, 13823, 54691, 96761, 179699, 1257893]

約数ペア:

[(1, 1257893), (7, 179699), (13, 96761), (23, 54691), (91, 13823), (161, 7813), (299, 4207), (601, 2093)]