1947870178

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1\times {\mathrm{397}}^1$

素因数の和:898

約数の個数: 32

約数和(自身を含む): 3009682368

約数和(自身を除く): 1061812190

約数列:

[1, 2, 61, 122, 131, 262, 307, 397, 614, 794, 7991, 15982, 18727, 24217, 37454, 40217, 48434, 52007, 80434, 104014, 121879, 243758, 2453237, 3172427, 4906474, 6344854, 7434619, 14869238, 15966149, 31932298, 973935089, 1947870178]

約数ペア:

[(1, 1947870178), (2, 973935089), (61, 31932298), (122, 15966149), (131, 14869238), (262, 7434619), (307, 6344854), (397, 4906474), (614, 3172427), (794, 2453237), (7991, 243758), (15982, 121879), (18727, 104014), (24217, 80434), (37454, 52007), (40217, 48434)]