28290480908

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{281}}^1\times {\mathrm{389}}^1\times {\mathrm{727}}^1$

素因数の和:1490

約数の個数: 48

約数和(自身を含む): 50441227200

約数和(自身を除く): 22150746292

約数列:

[1, 2, 4, 89, 178, 281, 356, 389, 562, 727, 778, 1124, 1454, 1556, 2908, 25009, 34621, 50018, 64703, 69242, 100036, 109309, 129406, 138484, 204287, 218618, 258812, 282803, 408574, 437236, 565606, 817148, 1131212, 9728501, 18181543, 19457002, 25169467, 36363086, 38914004, 50338934, 72726172, 79467643, 100677868, 158935286, 317870572, 7072620227, 14145240454, 28290480908]

約数ペア:

[(1, 28290480908), (2, 14145240454), (4, 7072620227), (89, 317870572), (178, 158935286), (281, 100677868), (356, 79467643), (389, 72726172), (562, 50338934), (727, 38914004), (778, 36363086), (1124, 25169467), (1454, 19457002), (1556, 18181543), (2908, 9728501), (25009, 1131212), (34621, 817148), (50018, 565606), (64703, 437236), (69242, 408574), (100036, 282803), (109309, 258812), (129406, 218618), (138484, 204287)]