81438398

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{991}}^1\times {\mathrm{2417}}^1$

素因数の和:3427

約数の個数: 16

約数和(自身を含む): 129527424

約数和(自身を除く): 48089026

約数列:

[1, 2, 17, 34, 991, 1982, 2417, 4834, 16847, 33694, 41089, 82178, 2395247, 4790494, 40719199, 81438398]

約数ペア:

[(1, 81438398), (2, 40719199), (17, 4790494), (34, 2395247), (991, 82178), (1982, 41089), (2417, 33694), (4834, 16847)]