205408

素因数分解:

$2^5\times 7^2\times {\mathrm{131}}^1$

素因数の和:155

約数の個数: 36

約数和(自身を含む): 474012

約数和(自身を除く): 268604

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 131, 196, 224, 262, 392, 524, 784, 917, 1048, 1568, 1834, 2096, 3668, 4192, 6419, 7336, 12838, 14672, 25676, 29344, 51352, 102704, 205408]

約数ペア:

[(1, 205408), (2, 102704), (4, 51352), (7, 29344), (8, 25676), (14, 14672), (16, 12838), (28, 7336), (32, 6419), (49, 4192), (56, 3668), (98, 2096), (112, 1834), (131, 1568), (196, 1048), (224, 917), (262, 784), (392, 524)]