81401488

素因数分解:

$2^4\times 7^1\times {\mathrm{239}}^1\times {\mathrm{3041}}^1$

素因数の和:3295

約数の個数: 40

約数和(自身を含む): 181059840

約数和(自身を除く): 99658352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 239, 478, 956, 1673, 1912, 3041, 3346, 3824, 6082, 6692, 12164, 13384, 21287, 24328, 26768, 42574, 48656, 85148, 170296, 340592, 726799, 1453598, 2907196, 5087593, 5814392, 10175186, 11628784, 20350372, 40700744, 81401488]

約数ペア:

[(1, 81401488), (2, 40700744), (4, 20350372), (7, 11628784), (8, 10175186), (14, 5814392), (16, 5087593), (28, 2907196), (56, 1453598), (112, 726799), (239, 340592), (478, 170296), (956, 85148), (1673, 48656), (1912, 42574), (3041, 26768), (3346, 24328), (3824, 21287), (6082, 13384), (6692, 12164)]