28451965

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{3761}}^1$

素因数の和:3872

約数の個数: 16

約数和(自身を含む): 36566640

約数和(自身を除く): 8114675

約数列:

[1, 5, 17, 85, 89, 445, 1513, 3761, 7565, 18805, 63937, 319685, 334729, 1673645, 5690393, 28451965]

約数ペア:

[(1, 28451965), (5, 5690393), (17, 1673645), (85, 334729), (89, 319685), (445, 63937), (1513, 18805), (3761, 7565)]