28212688

素因数分解:

$2^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2311}}^1$

素因数の和:2435

約数の個数: 40

約数和(自身を含む): 63071360

約数和(自身を除く): 34858672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 109, 112, 218, 436, 763, 872, 1526, 1744, 2311, 3052, 4622, 6104, 9244, 12208, 16177, 18488, 32354, 36976, 64708, 129416, 251899, 258832, 503798, 1007596, 1763293, 2015192, 3526586, 4030384, 7053172, 14106344, 28212688]

約数ペア:

[(1, 28212688), (2, 14106344), (4, 7053172), (7, 4030384), (8, 3526586), (14, 2015192), (16, 1763293), (28, 1007596), (56, 503798), (109, 258832), (112, 251899), (218, 129416), (436, 64708), (763, 36976), (872, 32354), (1526, 18488), (1744, 16177), (2311, 12208), (3052, 9244), (4622, 6104)]