428008376

素因数分解:

$2^3\times {\mathrm{157}}^1\times {\mathrm{433}}^1\times {\mathrm{787}}^1$

素因数の和:1383

約数の個数: 32

約数和(自身を含む): 810521040

約数和(自身を除く): 382512664

約数列:

[1, 2, 4, 8, 157, 314, 433, 628, 787, 866, 1256, 1574, 1732, 3148, 3464, 6296, 67981, 123559, 135962, 247118, 271924, 340771, 494236, 543848, 681542, 988472, 1363084, 2726168, 53501047, 107002094, 214004188, 428008376]

約数ペア:

[(1, 428008376), (2, 214004188), (4, 107002094), (8, 53501047), (157, 2726168), (314, 1363084), (433, 988472), (628, 681542), (787, 543848), (866, 494236), (1256, 340771), (1574, 271924), (1732, 247118), (3148, 135962), (3464, 123559), (6296, 67981)]