129497744

素因数分解:

$2^4\times {\mathrm{509}}^1\times {\mathrm{15901}}^1$

素因数の和:16418

約数の個数: 20

約数和(自身を含む): 251410620

約数和(自身を除く): 121912876

約数列:

[1, 2, 4, 8, 16, 509, 1018, 2036, 4072, 8144, 15901, 31802, 63604, 127208, 254416, 8093609, 16187218, 32374436, 64748872, 129497744]

約数ペア:

[(1, 129497744), (2, 64748872), (4, 32374436), (8, 16187218), (16, 8093609), (509, 254416), (1018, 127208), (2036, 63604), (4072, 31802), (8144, 15901)]