28138526

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{557}}^1$

素因数の和:668

約数の個数: 32

約数和(自身を含む): 47809440

約数和(自身を除く): 19670914

約数列:

[1, 2, 13, 26, 29, 58, 67, 134, 377, 557, 754, 871, 1114, 1742, 1943, 3886, 7241, 14482, 16153, 25259, 32306, 37319, 50518, 74638, 209989, 419978, 485147, 970294, 1082251, 2164502, 14069263, 28138526]

約数ペア:

[(1, 28138526), (2, 14069263), (13, 2164502), (26, 1082251), (29, 970294), (58, 485147), (67, 419978), (134, 209989), (377, 74638), (557, 50518), (754, 37319), (871, 32306), (1114, 25259), (1742, 16153), (1943, 14482), (3886, 7241)]