28104470

素因数分解:

$2^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{11197}}^1$

素因数の和:11455

約数の個数: 16

約数和(自身を含む): 50794128

約数和(自身を除く): 22689658

約数列:

[1, 2, 5, 10, 251, 502, 1255, 2510, 11197, 22394, 55985, 111970, 2810447, 5620894, 14052235, 28104470]

約数ペア:

[(1, 28104470), (2, 14052235), (5, 5620894), (10, 2810447), (251, 111970), (502, 55985), (1255, 22394), (2510, 11197)]