28552268

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{577}}^1$

素因数の和:809

約数の個数: 24

約数和(自身を含む): 50979600

約数和(自身を除く): 22427332

約数列:

[1, 2, 4, 89, 139, 178, 278, 356, 556, 577, 1154, 2308, 12371, 24742, 49484, 51353, 80203, 102706, 160406, 205412, 320812, 7138067, 14276134, 28552268]

約数ペア:

[(1, 28552268), (2, 14276134), (4, 7138067), (89, 320812), (139, 205412), (178, 160406), (278, 102706), (356, 80203), (556, 51353), (577, 49484), (1154, 24742), (2308, 12371)]