50291865

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{389}}^1$

素因数の和:443

約数の個数: 72

約数和(自身を含む): 100203480

約数和(自身を除く): 49911615

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 169, 195, 221, 255, 389, 507, 585, 663, 765, 845, 1105, 1167, 1521, 1945, 1989, 2535, 2873, 3315, 3501, 5057, 5835, 6613, 7605, 8619, 9945, 14365, 15171, 17505, 19839, 25285, 25857, 33065, 43095, 45513, 59517, 65741, 75855, 85969, 99195, 129285, 197223, 227565, 257907, 297585, 328705, 429845, 591669, 773721, 986115, 1117597, 1289535, 2958345, 3352791, 3868605, 5587985, 10058373, 16763955, 50291865]

約数ペア:

[(1, 50291865), (3, 16763955), (5, 10058373), (9, 5587985), (13, 3868605), (15, 3352791), (17, 2958345), (39, 1289535), (45, 1117597), (51, 986115), (65, 773721), (85, 591669), (117, 429845), (153, 328705), (169, 297585), (195, 257907), (221, 227565), (255, 197223), (389, 129285), (507, 99195), (585, 85969), (663, 75855), (765, 65741), (845, 59517), (1105, 45513), (1167, 43095), (1521, 33065), (1945, 25857), (1989, 25285), (2535, 19839), (2873, 17505), (3315, 15171), (3501, 14365), (5057, 9945), (5835, 8619), (6613, 7605)]