28831738

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{197}}^1\times {\mathrm{433}}^1$

素因数の和:658

約数の個数: 24

約数和(自身を含む): 47176668

約数和(自身を除く): 18344930

約数列:

[1, 2, 13, 26, 169, 197, 338, 394, 433, 866, 2561, 5122, 5629, 11258, 33293, 66586, 73177, 85301, 146354, 170602, 1108913, 2217826, 14415869, 28831738]

約数ペア:

[(1, 28831738), (2, 14415869), (13, 2217826), (26, 1108913), (169, 170602), (197, 146354), (338, 85301), (394, 73177), (433, 66586), (866, 33293), (2561, 11258), (5122, 5629)]