78540728

素因数分解:

$2^3\times 7^2\times {\mathrm{191}}^1\times {\mathrm{1049}}^1$

素因数の和:1260

約数の個数: 48

約数和(自身を含む): 172368000

約数和(自身を除く): 93827272

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 191, 196, 382, 392, 764, 1049, 1337, 1528, 2098, 2674, 4196, 5348, 7343, 8392, 9359, 10696, 14686, 18718, 29372, 37436, 51401, 58744, 74872, 102802, 200359, 205604, 400718, 411208, 801436, 1402513, 1602872, 2805026, 5610052, 9817591, 11220104, 19635182, 39270364, 78540728]

約数ペア:

[(1, 78540728), (2, 39270364), (4, 19635182), (7, 11220104), (8, 9817591), (14, 5610052), (28, 2805026), (49, 1602872), (56, 1402513), (98, 801436), (191, 411208), (196, 400718), (382, 205604), (392, 200359), (764, 102802), (1049, 74872), (1337, 58744), (1528, 51401), (2098, 37436), (2674, 29372), (4196, 18718), (5348, 14686), (7343, 10696), (8392, 9359)]