201428728

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{1061}}^1\times {\mathrm{1249}}^1$

素因数の和:2335

約数の個数: 32

約数和(自身を含む): 398250000

約数和(自身を除く): 196821272

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 1061, 1249, 2122, 2498, 4244, 4996, 8488, 9992, 20159, 23731, 40318, 47462, 80636, 94924, 161272, 189848, 1325189, 2650378, 5300756, 10601512, 25178591, 50357182, 100714364, 201428728]

約数ペア:

[(1, 201428728), (2, 100714364), (4, 50357182), (8, 25178591), (19, 10601512), (38, 5300756), (76, 2650378), (152, 1325189), (1061, 189848), (1249, 161272), (2122, 94924), (2498, 80636), (4244, 47462), (4996, 40318), (8488, 23731), (9992, 20159)]