28904810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3701}}^1$

素因数の和:3790

約数の個数: 32

約数和(自身を含む): 57573504

約数和(自身を除く): 28668694

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 3701, 3905, 7402, 7810, 18505, 37010, 40711, 81422, 203555, 262771, 407110, 525542, 1313855, 2627710, 2890481, 5780962, 14452405, 28904810]

約数ペア:

[(1, 28904810), (2, 14452405), (5, 5780962), (10, 2890481), (11, 2627710), (22, 1313855), (55, 525542), (71, 407110), (110, 262771), (142, 203555), (355, 81422), (710, 40711), (781, 37010), (1562, 18505), (3701, 7810), (3905, 7402)]