40478207

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^3\times {\mathrm{107}}^1$

素因数の和:176

約数の個数: 32

約数和(自身を含む): 54120960

約数和(自身を除く): 13642753

約数列:

[1, 7, 11, 17, 77, 107, 119, 187, 289, 749, 1177, 1309, 1819, 2023, 3179, 4913, 8239, 12733, 20009, 22253, 30923, 34391, 54043, 140063, 216461, 340153, 378301, 525691, 2381071, 3679837, 5782601, 40478207]

約数ペア:

[(1, 40478207), (7, 5782601), (11, 3679837), (17, 2381071), (77, 525691), (107, 378301), (119, 340153), (187, 216461), (289, 140063), (749, 54043), (1177, 34391), (1309, 30923), (1819, 22253), (2023, 20009), (3179, 12733), (4913, 8239)]