400997246

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{36809}}^1$

素因数の和:37243

約数の個数: 16

約数和(自身を含む): 649328400

約数和(自身を除く): 248331154

約数列:

[1, 2, 13, 26, 419, 838, 5447, 10894, 36809, 73618, 478517, 957034, 15422971, 30845942, 200498623, 400997246]

約数ペア:

[(1, 400997246), (2, 200498623), (13, 30845942), (26, 15422971), (419, 957034), (838, 478517), (5447, 73618), (10894, 36809)]