205122928

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{283}}^1\times {\mathrm{509}}^1$

素因数の和:889

約数の個数: 40

約数和(自身を含む): 404103600

約数和(自身を除く): 198980672

約数列:

[1, 2, 4, 8, 16, 89, 178, 283, 356, 509, 566, 712, 1018, 1132, 1424, 2036, 2264, 4072, 4528, 8144, 25187, 45301, 50374, 90602, 100748, 144047, 181204, 201496, 288094, 362408, 402992, 576188, 724816, 1152376, 2304752, 12820183, 25640366, 51280732, 102561464, 205122928]

約数ペア:

[(1, 205122928), (2, 102561464), (4, 51280732), (8, 25640366), (16, 12820183), (89, 2304752), (178, 1152376), (283, 724816), (356, 576188), (509, 402992), (566, 362408), (712, 288094), (1018, 201496), (1132, 181204), (1424, 144047), (2036, 100748), (2264, 90602), (4072, 50374), (4528, 45301), (8144, 25187)]