28128001636

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{136361}}^1$

素因数の和:136564

約数の個数: 48

約数和(自身を含む): 57730216320

約数和(自身を除く): 29602214684

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 139, 212, 278, 371, 556, 742, 973, 1484, 1946, 3892, 7367, 14734, 29468, 51569, 103138, 136361, 206276, 272722, 545444, 954527, 1909054, 3818108, 7227133, 14454266, 18954179, 28908532, 37908358, 50589931, 75816716, 101179862, 132679253, 202359724, 265358506, 530717012, 1004571487, 2009142974, 4018285948, 7032000409, 14064000818, 28128001636]

約数ペア:

[(1, 28128001636), (2, 14064000818), (4, 7032000409), (7, 4018285948), (14, 2009142974), (28, 1004571487), (53, 530717012), (106, 265358506), (139, 202359724), (212, 132679253), (278, 101179862), (371, 75816716), (556, 50589931), (742, 37908358), (973, 28908532), (1484, 18954179), (1946, 14454266), (3892, 7227133), (7367, 3818108), (14734, 1909054), (29468, 954527), (51569, 545444), (103138, 272722), (136361, 206276)]