221333056

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15937}}^1$

素因数の和:15987

約数の個数: 56

約数和(自身を含む): 518176256

約数和(自身を除く): 296843200

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 217, 224, 248, 434, 448, 496, 868, 992, 1736, 1984, 3472, 6944, 13888, 15937, 31874, 63748, 111559, 127496, 223118, 254992, 446236, 494047, 509984, 892472, 988094, 1019968, 1784944, 1976188, 3458329, 3569888, 3952376, 6916658, 7139776, 7904752, 13833316, 15809504, 27666632, 31619008, 55333264, 110666528, 221333056]

約数ペア:

[(1, 221333056), (2, 110666528), (4, 55333264), (7, 31619008), (8, 27666632), (14, 15809504), (16, 13833316), (28, 7904752), (31, 7139776), (32, 6916658), (56, 3952376), (62, 3569888), (64, 3458329), (112, 1976188), (124, 1784944), (217, 1019968), (224, 988094), (248, 892472), (434, 509984), (448, 494047), (496, 446236), (868, 254992), (992, 223118), (1736, 127496), (1984, 111559), (3472, 63748), (6944, 31874), (13888, 15937)]