40720638

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{9413}}^1$

素因数の和:9528

約数の個数: 32

約数和(自身を含む): 93989376

約数和(自身を除く): 53268738

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 103, 206, 309, 618, 721, 1442, 2163, 4326, 9413, 18826, 28239, 56478, 65891, 131782, 197673, 395346, 969539, 1939078, 2908617, 5817234, 6786773, 13573546, 20360319, 40720638]

約数ペア:

[(1, 40720638), (2, 20360319), (3, 13573546), (6, 6786773), (7, 5817234), (14, 2908617), (21, 1939078), (42, 969539), (103, 395346), (206, 197673), (309, 131782), (618, 65891), (721, 56478), (1442, 28239), (2163, 18826), (4326, 9413)]