988778894

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{313}}^1\times {\mathrm{337}}^1$

素因数の和:804

約数の個数: 32

約数和(自身を含む): 1541036640

約数和(自身を除く): 552257746

約数列:

[1, 2, 43, 86, 109, 218, 313, 337, 626, 674, 4687, 9374, 13459, 14491, 26918, 28982, 34117, 36733, 68234, 73466, 105481, 210962, 1467031, 1579519, 2934062, 3159038, 4535683, 9071366, 11497429, 22994858, 494389447, 988778894]

約数ペア:

[(1, 988778894), (2, 494389447), (43, 22994858), (86, 11497429), (109, 9071366), (218, 4535683), (313, 3159038), (337, 2934062), (626, 1579519), (674, 1467031), (4687, 210962), (9374, 105481), (13459, 73466), (14491, 68234), (26918, 36733), (28982, 34117)]