28403104

素因数分解:

$2^5\times {\mathrm{89}}^1\times {\mathrm{9973}}^1$

素因数の和:10072

約数の個数: 24

約数和(自身を含む): 56552580

約数和(自身を除く): 28149476

約数列:

[1, 2, 4, 8, 16, 32, 89, 178, 356, 712, 1424, 2848, 9973, 19946, 39892, 79784, 159568, 319136, 887597, 1775194, 3550388, 7100776, 14201552, 28403104]

約数ペア:

[(1, 28403104), (2, 14201552), (4, 7100776), (8, 3550388), (16, 1775194), (32, 887597), (89, 319136), (178, 159568), (356, 79784), (712, 39892), (1424, 19946), (2848, 9973)]