646088794

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1\times {\mathrm{1999}}^1$

素因数の和:2446

約数の個数: 32

約数和(自身を含む): 1080576000

約数和(自身を除く): 434487206

約数列:

[1, 2, 13, 26, 31, 62, 401, 403, 802, 806, 1999, 3998, 5213, 10426, 12431, 24862, 25987, 51974, 61969, 123938, 161603, 323206, 801599, 805597, 1603198, 1611194, 10420787, 20841574, 24849569, 49699138, 323044397, 646088794]

約数ペア:

[(1, 646088794), (2, 323044397), (13, 49699138), (26, 24849569), (31, 20841574), (62, 10420787), (401, 1611194), (403, 1603198), (802, 805597), (806, 801599), (1999, 323206), (3998, 161603), (5213, 123938), (10426, 61969), (12431, 51974), (24862, 25987)]