28905968

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19853}}^1$

素因数の和:19881

約数の個数: 40

約数和(自身を含む): 68933088

約数和(自身を除く): 40027120

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 19853, 39706, 79412, 138971, 158824, 258089, 277942, 317648, 516178, 555884, 1032356, 1111768, 1806623, 2064712, 2223536, 3613246, 4129424, 7226492, 14452984, 28905968]

約数ペア:

[(1, 28905968), (2, 14452984), (4, 7226492), (7, 4129424), (8, 3613246), (13, 2223536), (14, 2064712), (16, 1806623), (26, 1111768), (28, 1032356), (52, 555884), (56, 516178), (91, 317648), (104, 277942), (112, 258089), (182, 158824), (208, 138971), (364, 79412), (728, 39706), (1456, 19853)]