28411978

素因数分解:

$2^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{5653}}^1$

素因数の和:6021

約数の個数: 16

約数和(自身を含む): 48850560

約数和(自身を除く): 20438582

約数列:

[1, 2, 7, 14, 359, 718, 2513, 5026, 5653, 11306, 39571, 79142, 2029427, 4058854, 14205989, 28411978]

約数ペア:

[(1, 28411978), (2, 14205989), (7, 4058854), (14, 2029427), (359, 79142), (718, 39571), (2513, 11306), (5026, 5653)]