28746487

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:452

約数の個数: 32

約数和(自身を含む): 38592000

約数和(自身を除く): 9845513

約数列:

[1, 7, 11, 19, 49, 77, 133, 209, 343, 401, 539, 931, 1463, 2807, 3773, 4411, 6517, 7619, 10241, 19649, 30877, 53333, 71687, 83809, 137543, 216139, 373331, 586663, 1512973, 2613317, 4106641, 28746487]

約数ペア:

[(1, 28746487), (7, 4106641), (11, 2613317), (19, 1512973), (49, 586663), (77, 373331), (133, 216139), (209, 137543), (343, 83809), (401, 71687), (539, 53333), (931, 30877), (1463, 19649), (2807, 10241), (3773, 7619), (4411, 6517)]