39940886

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{457}}^1\times {\mathrm{491}}^1$

素因数の和:1039

約数の個数: 16

約数和(自身を含む): 60840720

約数和(自身を除く): 20899834

約数列:

[1, 2, 89, 178, 457, 491, 914, 982, 40673, 43699, 81346, 87398, 224387, 448774, 19970443, 39940886]

約数ペア:

[(1, 39940886), (2, 19970443), (89, 448774), (178, 224387), (457, 87398), (491, 81346), (914, 43699), (982, 40673)]