251921976

素因数分解:

$2^3\times 3^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{1999}}^1$

素因数の和:2156

約数の個数: 64

約数和(自身を含む): 648000000

約数和(自身を除く): 396078024

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 59, 89, 118, 177, 178, 236, 267, 354, 356, 472, 534, 708, 712, 1068, 1416, 1999, 2136, 3998, 5251, 5997, 7996, 10502, 11994, 15753, 15992, 21004, 23988, 31506, 42008, 47976, 63012, 117941, 126024, 177911, 235882, 353823, 355822, 471764, 533733, 707646, 711644, 943528, 1067466, 1415292, 1423288, 2134932, 2830584, 4269864, 10496749, 20993498, 31490247, 41986996, 62980494, 83973992, 125960988, 251921976]

約数ペア:

[(1, 251921976), (2, 125960988), (3, 83973992), (4, 62980494), (6, 41986996), (8, 31490247), (12, 20993498), (24, 10496749), (59, 4269864), (89, 2830584), (118, 2134932), (177, 1423288), (178, 1415292), (236, 1067466), (267, 943528), (354, 711644), (356, 707646), (472, 533733), (534, 471764), (708, 355822), (712, 353823), (1068, 235882), (1416, 177911), (1999, 126024), (2136, 117941), (3998, 63012), (5251, 47976), (5997, 42008), (7996, 31506), (10502, 23988), (11994, 21004), (15753, 15992)]