404889142

素因数分解:

$2^1\times 7^1\times {\mathrm{1321}}^1\times {\mathrm{21893}}^1$

素因数の和:23223

約数の個数: 16

約数和(自身を含む): 694652832

約数和(自身を除く): 289763690

約数列:

[1, 2, 7, 14, 1321, 2642, 9247, 18494, 21893, 43786, 153251, 306502, 28920653, 57841306, 202444571, 404889142]

約数ペア:

[(1, 404889142), (2, 202444571), (7, 57841306), (14, 28920653), (1321, 306502), (2642, 153251), (9247, 43786), (18494, 21893)]