28910404

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:408

約数の個数: 36

約数和(自身を含む): 54541620

約数和(自身を除く): 25631216

約数列:

[1, 2, 4, 17, 34, 68, 89, 178, 281, 289, 356, 562, 578, 1124, 1156, 1513, 3026, 4777, 6052, 9554, 19108, 25009, 25721, 50018, 51442, 81209, 100036, 102884, 162418, 324836, 425153, 850306, 1700612, 7227601, 14455202, 28910404]

約数ペア:

[(1, 28910404), (2, 14455202), (4, 7227601), (17, 1700612), (34, 850306), (68, 425153), (89, 324836), (178, 162418), (281, 102884), (289, 100036), (356, 81209), (562, 51442), (578, 50018), (1124, 25721), (1156, 25009), (1513, 19108), (3026, 9554), (4777, 6052)]