28708790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{8419}}^1$

素因数の和:8468

約数の個数: 32

約数和(自身を含む): 58199040

約数和(自身を除く): 29490250

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 8419, 16838, 42095, 84190, 92609, 185218, 260989, 463045, 521978, 926090, 1304945, 2609890, 2870879, 5741758, 14354395, 28708790]

約数ペア:

[(1, 28708790), (2, 14354395), (5, 5741758), (10, 2870879), (11, 2609890), (22, 1304945), (31, 926090), (55, 521978), (62, 463045), (110, 260989), (155, 185218), (310, 92609), (341, 84190), (682, 42095), (1705, 16838), (3410, 8419)]