28385590

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{263}}^1$

素因数の和:564

約数の個数: 32

約数和(自身を含む): 52690176

約数和(自身を除く): 24304586

約数列:

[1, 2, 5, 10, 43, 86, 215, 251, 263, 430, 502, 526, 1255, 1315, 2510, 2630, 10793, 11309, 21586, 22618, 53965, 56545, 66013, 107930, 113090, 132026, 330065, 660130, 2838559, 5677118, 14192795, 28385590]

約数ペア:

[(1, 28385590), (2, 14192795), (5, 5677118), (10, 2838559), (43, 660130), (86, 330065), (215, 132026), (251, 113090), (263, 107930), (430, 66013), (502, 56545), (526, 53965), (1255, 22618), (1315, 21586), (2510, 11309), (2630, 10793)]