251654402

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{71129}}^1$

素因数の和:71221

約数の個数: 16

約数和(自身を含む): 396905400

約数和(自身を除く): 145250998

約数列:

[1, 2, 29, 58, 61, 122, 1769, 3538, 71129, 142258, 2062741, 4125482, 4338869, 8677738, 125827201, 251654402]

約数ペア:

[(1, 251654402), (2, 125827201), (29, 8677738), (58, 4338869), (61, 4125482), (122, 2062741), (1769, 142258), (3538, 71129)]