408971810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{12241}}^1$

素因数の和:12518

約数の個数: 32

約数和(自身を含む): 795925872

約数和(自身を除く): 386954062

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 257, 514, 1285, 2570, 3341, 6682, 12241, 16705, 24482, 33410, 61205, 122410, 159133, 318266, 795665, 1591330, 3145937, 6291874, 15729685, 31459370, 40897181, 81794362, 204485905, 408971810]

約数ペア:

[(1, 408971810), (2, 204485905), (5, 81794362), (10, 40897181), (13, 31459370), (26, 15729685), (65, 6291874), (130, 3145937), (257, 1591330), (514, 795665), (1285, 318266), (2570, 159133), (3341, 122410), (6682, 61205), (12241, 33410), (16705, 24482)]