28376504

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{971}}^1$

素因数の和:1271

約数の個数: 32

約数和(自身を含む): 57561840

約数和(自身を除く): 29185336

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 281, 562, 971, 1124, 1942, 2248, 3653, 3884, 7306, 7768, 12623, 14612, 25246, 29224, 50492, 100984, 272851, 545702, 1091404, 2182808, 3547063, 7094126, 14188252, 28376504]

約数ペア:

[(1, 28376504), (2, 14188252), (4, 7094126), (8, 3547063), (13, 2182808), (26, 1091404), (52, 545702), (104, 272851), (281, 100984), (562, 50492), (971, 29224), (1124, 25246), (1942, 14612), (2248, 12623), (3653, 7768), (3884, 7306)]