28778776

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{1657}}^1$

素因数の和:1843

約数の個数: 32

約数和(自身を含む): 58494240

約数和(自身を除く): 29715464

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 167, 334, 668, 1336, 1657, 2171, 3314, 4342, 6628, 8684, 13256, 17368, 21541, 43082, 86164, 172328, 276719, 553438, 1106876, 2213752, 3597347, 7194694, 14389388, 28778776]

約数ペア:

[(1, 28778776), (2, 14389388), (4, 7194694), (8, 3597347), (13, 2213752), (26, 1106876), (52, 553438), (104, 276719), (167, 172328), (334, 86164), (668, 43082), (1336, 21541), (1657, 17368), (2171, 13256), (3314, 8684), (4342, 6628)]