391328713775

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1\times {\mathrm{10321}}^1$

素因数の和:10964

約数の個数: 48

約数和(自身を含む): 505100546496

約数和(自身を除く): 113771832721

約数列:

[1, 5, 25, 41, 71, 205, 355, 521, 1025, 1775, 2605, 2911, 10321, 13025, 14555, 21361, 36991, 51605, 72775, 106805, 184955, 258025, 423161, 534025, 732791, 924775, 1516631, 2115805, 3663955, 5377241, 7583155, 10579025, 18319775, 26886205, 30044431, 37915775, 134431025, 150222155, 220466881, 381784111, 751110775, 1102334405, 1908920555, 5511672025, 9544602775, 15653148551, 78265742755, 391328713775]

約数ペア:

[(1, 391328713775), (5, 78265742755), (25, 15653148551), (41, 9544602775), (71, 5511672025), (205, 1908920555), (355, 1102334405), (521, 751110775), (1025, 381784111), (1775, 220466881), (2605, 150222155), (2911, 134431025), (10321, 37915775), (13025, 30044431), (14555, 26886205), (21361, 18319775), (36991, 10579025), (51605, 7583155), (72775, 5377241), (106805, 3663955), (184955, 2115805), (258025, 1516631), (423161, 924775), (534025, 732791)]