157883505

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{491}}^1$

素因数の和:626

約数の個数: 64

約数和(自身を含む): 291610368

約数和(自身を除く): 133726863

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 97, 195, 221, 255, 291, 485, 491, 663, 1105, 1261, 1455, 1473, 1649, 2455, 3315, 3783, 4947, 6305, 6383, 7365, 8245, 8347, 18915, 19149, 21437, 24735, 25041, 31915, 41735, 47627, 64311, 95745, 107185, 108511, 125205, 142881, 238135, 321555, 325533, 542555, 619151, 714405, 809659, 1627665, 1857453, 2428977, 3095755, 4048295, 9287265, 10525567, 12144885, 31576701, 52627835, 157883505]

約数ペア:

[(1, 157883505), (3, 52627835), (5, 31576701), (13, 12144885), (15, 10525567), (17, 9287265), (39, 4048295), (51, 3095755), (65, 2428977), (85, 1857453), (97, 1627665), (195, 809659), (221, 714405), (255, 619151), (291, 542555), (485, 325533), (491, 321555), (663, 238135), (1105, 142881), (1261, 125205), (1455, 108511), (1473, 107185), (1649, 95745), (2455, 64311), (3315, 47627), (3783, 41735), (4947, 31915), (6305, 25041), (6383, 24735), (7365, 21437), (8245, 19149), (8347, 18915)]