28528258

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{347}}^1$

素因数の和:498

約数の個数: 32

約数和(自身を含む): 48558528

約数和(自身を除く): 20030270

約数列:

[1, 2, 11, 22, 37, 74, 101, 202, 347, 407, 694, 814, 1111, 2222, 3737, 3817, 7474, 7634, 12839, 25678, 35047, 41107, 70094, 82214, 141229, 282458, 385517, 771034, 1296739, 2593478, 14264129, 28528258]

約数ペア:

[(1, 28528258), (2, 14264129), (11, 2593478), (22, 1296739), (37, 771034), (74, 385517), (101, 282458), (202, 141229), (347, 82214), (407, 70094), (694, 41107), (814, 35047), (1111, 25678), (2222, 12839), (3737, 7634), (3817, 7474)]