38917081

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 49029120

約数和(自身を除く): 10112039

約数列:

[1, 7, 23, 37, 47, 139, 161, 259, 329, 851, 973, 1081, 1739, 3197, 5143, 5957, 6533, 7567, 12173, 22379, 36001, 39997, 45731, 118289, 150259, 241721, 279979, 828023, 1051813, 1692047, 5559583, 38917081]

約数ペア:

[(1, 38917081), (7, 5559583), (23, 1692047), (37, 1051813), (47, 828023), (139, 279979), (161, 241721), (259, 150259), (329, 118289), (851, 45731), (973, 39997), (1081, 36001), (1739, 22379), (3197, 12173), (5143, 7567), (5957, 6533)]