28117964

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{3499}}^1$

素因数の和:3558

約数の個数: 36

約数和(自身を含む): 58653000

約数和(自身を除く): 30535036

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 98, 164, 196, 287, 574, 1148, 2009, 3499, 4018, 6998, 8036, 13996, 24493, 48986, 97972, 143459, 171451, 286918, 342902, 573836, 685804, 1004213, 2008426, 4016852, 7029491, 14058982, 28117964]

約数ペア:

[(1, 28117964), (2, 14058982), (4, 7029491), (7, 4016852), (14, 2008426), (28, 1004213), (41, 685804), (49, 573836), (82, 342902), (98, 286918), (164, 171451), (196, 143459), (287, 97972), (574, 48986), (1148, 24493), (2009, 13996), (3499, 8036), (4018, 6998)]