641958244

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{1429}}^1$

素因数の和:1732

約数の個数: 48

約数和(自身を含む): 1239638400

約数和(自身を除く): 597680156

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 257, 437, 514, 874, 1028, 1429, 1748, 2858, 4883, 5716, 5911, 9766, 11822, 19532, 23644, 27151, 32867, 54302, 65734, 108604, 112309, 131468, 224618, 367253, 449236, 624473, 734506, 1248946, 1469012, 2497892, 6977807, 8446819, 13955614, 16893638, 27911228, 33787276, 160489561, 320979122, 641958244]

約数ペア:

[(1, 641958244), (2, 320979122), (4, 160489561), (19, 33787276), (23, 27911228), (38, 16893638), (46, 13955614), (76, 8446819), (92, 6977807), (257, 2497892), (437, 1469012), (514, 1248946), (874, 734506), (1028, 624473), (1429, 449236), (1748, 367253), (2858, 224618), (4883, 131468), (5716, 112309), (5911, 108604), (9766, 65734), (11822, 54302), (19532, 32867), (23644, 27151)]