69990116

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^2\times {\mathrm{1487}}^1$

素因数の和:1580

約数の個数: 36

約数和(自身を含む): 143574144

約数和(自身を除く): 73584028

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 1487, 1681, 2974, 3362, 5948, 6724, 10409, 11767, 20818, 23534, 41636, 47068, 60967, 121934, 243868, 426769, 853538, 1707076, 2499647, 4999294, 9998588, 17497529, 34995058, 69990116]

約数ペア:

[(1, 69990116), (2, 34995058), (4, 17497529), (7, 9998588), (14, 4999294), (28, 2499647), (41, 1707076), (82, 853538), (164, 426769), (287, 243868), (574, 121934), (1148, 60967), (1487, 47068), (1681, 41636), (2974, 23534), (3362, 20818), (5948, 11767), (6724, 10409)]