28680556

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{1039}}^1$

素因数の和:1213

約数の個数: 24

約数和(自身を含む): 51484160

約数和(自身を除く): 22803604

約数列:

[1, 2, 4, 67, 103, 134, 206, 268, 412, 1039, 2078, 4156, 6901, 13802, 27604, 69613, 107017, 139226, 214034, 278452, 428068, 7170139, 14340278, 28680556]

約数ペア:

[(1, 28680556), (2, 14340278), (4, 7170139), (67, 428068), (103, 278452), (134, 214034), (206, 139226), (268, 107017), (412, 69613), (1039, 27604), (2078, 13802), (4156, 6901)]