28709728

素因数分解:

$2^5\times {\mathrm{109}}^1\times {\mathrm{8231}}^1$

素因数の和:8350

約数の個数: 24

約数和(自身を含む): 57047760

約数和(自身を除く): 28338032

約数列:

[1, 2, 4, 8, 16, 32, 109, 218, 436, 872, 1744, 3488, 8231, 16462, 32924, 65848, 131696, 263392, 897179, 1794358, 3588716, 7177432, 14354864, 28709728]

約数ペア:

[(1, 28709728), (2, 14354864), (4, 7177432), (8, 3588716), (16, 1794358), (32, 897179), (109, 263392), (218, 131696), (436, 65848), (872, 32924), (1744, 16462), (3488, 8231)]