28661528

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{7639}}^1$

素因数の和:7719

約数の個数: 32

約数和(自身を含む): 62342400

約数和(自身を除く): 33680872

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 134, 268, 469, 536, 938, 1876, 3752, 7639, 15278, 30556, 53473, 61112, 106946, 213892, 427784, 511813, 1023626, 2047252, 3582691, 4094504, 7165382, 14330764, 28661528]

約数ペア:

[(1, 28661528), (2, 14330764), (4, 7165382), (7, 4094504), (8, 3582691), (14, 2047252), (28, 1023626), (56, 511813), (67, 427784), (134, 213892), (268, 106946), (469, 61112), (536, 53473), (938, 30556), (1876, 15278), (3752, 7639)]